WILL MARK BRAINLIEST

What percent of runners ran 75 seconds or slower?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

I’m really confused and need your assist me with this question i’ve never been taught

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,