Directions: Simplify each term by factoring. 1.9rs 2. 14xy 3.5x2 4.32x2 5. 20x2 6. 30x2 7.5x3 8.25y 9.9xy 10.12x4

Which of these choices show a pair of equivalent expressions?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

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