A circle of perimeter 28cm is opened to form a square. What is the maximum possible area of the square?

Simplify 323×56×231115×34×227

If 2q35 = 778, find q

If the numbers M, N, Q are in the ratio 5:4:3, find the value of 2N−QM

Rationalize 2−√53−√5

Simplify (1681)14÷(916)−12

If log318 + log33 - log3x = 3, Find x.

Simplify (√2+1√3)(√2−1√3 2 + 1 3 ) ( 2 − 1 3 )

A man invested ₦5,000 for 9 months at 4%. What is the simple interest?