Billy charges $15 to mow a yard. he needs at least $200 for the new bicycle that he wants. write and solve an inequality to find out how many yards must he mow to make at least $200? a) 11 yards b) 12 yards c) 13 yards d) 14 yards

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?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Secant be and cf intersect at point d inside a what is the measure of cde