Write an expression to represent 4 less than 15 times a number

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds