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Express  1011 base two in base ten

The perimeter of a square is 16 cm. Find the area of the square.

If the mean of 2,x,5,4 and 3 is 3  , what is the value of

The score of a student in an examination were recorded as follows: 9, 14 ,15, 14, 9, 20, 16, 14 and 18. What is the mode?

Find the median of the following set of numbers: 3, 2, 4, 5, 6, 7, 9, 2, 11 and 10.

Factorise 8y – 32y^3  completely.

Simplify (7a – 3b) – (5a-8b).

Express 112 as a product of prime factors

Divide the LCM of 9, 12 and 18 by its HCF.

Calculate the area of a trapezium with parallel sides of 12 cm , 13 cm and height 6 cm

A polygon with seven sides is called

If y=x + 7 and 2x – y =3 . Find the x and y.

Find the range of 4.43, 2.09, 1.01, 4.34, 4.5

Given that the exterior angle of a polygon is 30°, how many sides has the polygon?

Solve the equation below

Make r the subject of the formula

Evaluate, when m= -1 and n= 2

Evaluate in base two 111 + 101 – 11

What is the reciprocal of 0.25?

Expand and simplify -2(x + y) + 3(2y +x)

Which is not a rational number among

Find the point of intersection of the lines x-y =4 and x + 2y=7

What is the value of sin⁡θ from the figure below

Factorize  x^2 + 5x +6

Find the mean of : 7, 4, 2, 1, 6.

Convert 27 base ten to base two.

Find the square root of 6 1/4

Solve the equation

Simplify

Calculate the simple interest on ₦ 650.00 for 2 years at 6% per annum.

Evaluate 111 x 11 in base 2

Simplify 4 + 3(7 + 4 x 2) – 100

The sum of angles on a straight line is ….

Calculate the area of a semi-circle of radius of 14 cm. Take π = 22/7

The angles of a triangle are 79, 51 and a. Find the value of a

The angles of an equilateral triangle are  2a°, 3b°, 4c° . Find the value of  a°  + b° + c°

A square has a diagonal 6m long. Calculate its area.

A bag contains 16 balls, 6 of them are red and the remaining are blue. What is the probability that a ball picked is a blue ball?

Find tan⁡θ in the diagram below.

Subtract the complementary angle of  45° from its supplementary angle

Expand (2x + 3)^2

The sum of two numbers is 38. When 8 is added to twice one of the numbers, the result is 5 times the other. Find the numbers

The disc brake in a car is a flat metal ring, 22 cm in diameter, with a 6 cm diameter hole in the middle. Calculate the area of the metal. use π = 22/7

Solve the equation

A car travels 42 km on 7 litres of petrol. How far will it travel in 12 litres?.

Approximate 0.002438 to 3 significant figures.

Abdul and Gambo share 54 eggs in the ratio 2:7. How many eggs does Gambo gets?

If the first common multiple of two numbers is 6, find the fourth common multiple.

Find the additive inverse of 1/2 + 1/6 + 1/12

Evaluate