2. For each interval, decide if the average rate of change is positive or negative. a. from 1930 to 1940
b. from 1950 to 1970
c. from 1930 to 1970

3. In which decade (10-year interval) did the population grow the fastest? Explain how you know.

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Which value of c would make he following expression completely factored? 8x+cy

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?