Jen can bike 12 miles in 40 minutes. How much time will she need to bike 30 miles if her speed remains the same? PLS HELP IN A QUIZ I JUST NEED ANSWER

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?