Steve leaves the beach at 3p. m. and drives along the highway at 55 mph. one hour later, his friend leaves the same beach, and drives along the same highway at 65 mph. how many hours will it take his friend to catch up to steve? 10 hours 5.5 hours 8.5 hours 55 hours

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

Solve for x where 0 equation: cot^2x+2cotx+1=0