PLEASE HURRY AND HELP IF YOU CAN!!! What is the perimeter of a rectangle with a length of 3X +8 and a width of 5X +2 please explain your work !!

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need