Vanessa bought some cupcakes and brownies at the school bake sale. She bought 25 items in total and spent $40.

Each cupcake costs $2 and each brownie costs $3.

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882