Scott was going to sell all of his stamp collection to buy a video game. After selling half of them he changed his mind. He bought 15 more. How many did he start with if he now has 40?

Convert 63 degrees C to degrees F.

How can x2 = x2 + 2x + 9 be set up as a system of equations?

carol leaves her house at 4:30p. m. and drives for 1 hour to the grocery store. she shops for 20 minutes and then drives for 1 hour to get home. at what time does she get home

What is the discrimination of 3x^2+6x=2

Ella has 50 Stacks of ten pennies in each Stacks. Describe how to find how many pennies Ella has in all.

Solve for x. 34+x=12 Enter your simplified answer in the box.

An expression is shown below: 3pf^2 - 21p^2f + 6pf - 42p^2 Part A: Rewrite the expression so the GCF is factored completely. Part B: Rewrite the expression completely factored. Show the steps of your work.

Identify the variable expression that is not a polynomial. A. Y+1 B. C. x^12 D. 23

6. Molly uses 192 beads to make a bracelet and a necklace. It takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make the necklace?

Jason buys sports equipment worth $80.00 and pays 5% sales tax. What is the total amount Jason pays including sales tax, for sports equipment?