Alyssa can paint the room by herself in 2 hours, bryce can paint the room in 3 hours, and chris can paint the room in 4 hours. how long will it take to paint the entire room if they worked together?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Vertical angles must check all that apply