Which of the following equations have exactly one solution? Choose all answers that apply:
-5x + 12 = 52 + 12
-5x + 12 = 5x - 5
--5x + 12 = -52 - 12
-5x + 12 = -122 - 12

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25