The surface area of a cone is 122.4 in2 and the slant height is 10 in. what is the radius of the cone? a. 3 in. b. 5 in. c. 6.12 in. d. 9 in.

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?