The function c(x) = 0.05x + 49.95 models shelly’s total monthly phone bill when she talks for x minutes in the month. what does the slope of the function represent?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Which of the following circles have their centers in the third quadrant?

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000