In one version of a trail mix, there are 3 cups of peanuts mixed with 2 cups of raisins . in another version of trail mix, there are 4.5 cups of peanuts mixed with 3 cups of raisins. are the ratios equivalent for the two mixes? explain your reasoning

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?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.