The cost of renting a popcorn machine is 8$ per hour plus 30$ for supplies. Write a algabraic expression for renting the machine x hours

Solve the system of equations by substitution x+y=4 y=3x The solution of the system is what?

If I traveled 360 miles in 6 hours, what would be the distance if I drove 15 hours?

Does 3x mean a product of 3 and x

What is the surface area of this right rectangular prism? Enter your answer in the box. in² a box of 2in 1in 3in

In the fifth grade at Lenape Elementary School, there are 4/5 as many students who do not wear glasses as those who do wear glasses. If there 60 students who wear glasses, how many students are in the fifth grass?

You are purchasing 2 shirts at $10.00 (each) and 1 pair of jeans at $35.00 (each). You have a coupon for 10% off. How much is the total cost with the discount? $49.50 $5.50 $60.50 $55.00

21/-21. What is 21 divided by negative 21?

Least to greatest 1/2,6/8,2/6

Enter the expression 2cos2 (θ) - 1, where θ is the lowercase Greek letter theta. 2cos2 (θ) - 1 2 c o s 2 (θ) - 1 = nothing

X+6+2x=15 what is the answer to that question