Premium gasoline costs $4.33 per gallon. Noni's car holds 11.6 gallons of gas. What is the estimated cost of filling the tank of Noni's car? A. $12
B. $48
C. $56
D. $60

Which of the following is true for the relation f(x)=2x^2+1

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

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?