Which inequality correctly represents $10 less than twice the cost, cc is at most 20? A: 2c−10≥20
B: 10-−2c<20
C: 10−2c≥20
D: 2c−10≤20

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day