Leroy earned $85,000 last year and gets paid bi-weekly. What is his bi-weekly gross pay?

Bring the fraction a/a-4 to a denominator of 16-a^2

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

The tile along the edge of a triangular community pool needs to be replaced? ?