Lea and valentine each started a puppy business. because valentine is older, she charges a starting fee of $2.5 and $5 for every hour she babysits. iris charges a flat fee of $6 and charges $4 per hour. ms. kaylie wanted to ee which rate was better but found that the rates could be the same. at what hour will she pay the same amount? use x to represent hours

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?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40