On monday, janelle earned $16 for 2 hours of babysitting. getting paid the same rate, she earned $40 for babysitting on saturday. how many hours did janelle babysit on
friday.

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?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

The function f(x) is shown in this graph the function g(x)=6x