Which algebraic expression models the word phrase three fewer than the sum of c and d a. 3-c+d b. c+3-d c. (c+d)-3 d. d+3-c

10 pointsthe roof of a house has a slope of 5/12. what is the width of the house if the height of the roof is 8 feet?

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? use the equation h = −16t2 + 64t + 4.

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 δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?