Me so !

over the last three hours, the external temperature dropped 17.4°f. what was the average temperature change each hour?

°f
also what does s. a.t mean

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?