A school supply kit costs x dollars. A sale offers a 20% discount on the kit. Which expression shows how to find the cost, in dollars, of the kit after the discount?

A. 0.8x
B. 0.2x
C. 1.8x
D. 1.2x

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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?