In ΔRST, the measure of ∠T=90°, TR = 1.8 feet, and RS = 8.7 feet. Find the measure of ∠S to the nearest tenth of a degree.

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]