The sum of the areas of two circles is 80x square meters, find the length of the radius of each circle if one of them is twice as long as the other

How do i rearrange a (x-y) = b (z-x) to make x the subject?

A circle has a circumference of 59 cm Using 3.14 as an approximation for π, what is the approximate value for the radius of of the circle A 4.7 cm B 9.4 cm C 18.8 cm D 37.6 cm

A farmer wants to estimate the average growth in height of his corn plants over a two week period

A number decreased by 16 is - 3

A dinner bill came to $38.75 What is the total bill after 6% sales tax and 20% tip?

Explain why the diagram shows that 6 (3 + 4) = 6.3 + 6.4.

A swimming pool has an area of 40 square meters. It's length is 8 meters. What is the width?

If you save $4,500 at an interest rate of 13 percent per year, how much will you have at the end of seven years?

Many performances at a circus take place in a circular ring. One circus has a ring with a diameter of 300 feet. Find the circumference of the circle.

Convert fraction to decimal 3.20