From what height, in feet, was the ball dropped? after how many seconds, rounded to the nearest hundredth, did the ball hit the ground? 1

Can you answer my question? will mark brainiest!

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?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6