-3 times (7+(-3) to the second power) divided by 3

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Atreasure chest sinks at a rate no less than 20 feet er second. the floor of the icean is at most at -4,200 feet. will the tresure chest reach the ocean floor in less than 3 minutes? explain.

Will mark kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown (a) can kayla conclude that δabc and δedc are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?