The cost of renovating a 6 m square room is N540. What is the cost of renovating a 9 m square room?

The sum of the first n positive integers is

If \(T = 2\pi \sqrt{\frac{l}{g}}\), make g the subject of the formula

If y = x\(^2\) - x - 12, find the range of values of x for which y \( \geq \) 0

How many terms of the series 3, -6, +12, - 24, + ..... are needed to make a total of 1 - 2\(^8\)?