Use substitution to solve the system

2y - 8 = x

2x + 3y = - 2

In his free time, Gary spends 7 hours per week on the Internet and 10 hours per week playing video games. If Gary has five hours of free time per day, approximately what percent of his free time is spent on the Internet and playing video games?

Toby is buying apples. Red delicious apples, x, cost $2 per pound. Braeburn apples, y, cost $3 per pound. He wants to buy at least 10 pounds of apples, but spend no more than $24. Which graph represents this situation?

Mr sanderson baked 60 cookies. he wants more than 12 for family and put the rest in 4 bags to sell. which inequality could b used

What is meant by zero principal

Hayleys meal at Sun Bistro cost $20.36, not including tip. If Hayley wants a 16% tip, how much should she pay? Round to the nearest cent.

I have a box of 24 different types of cup cakes. 1⁄2 of the cupcakes are vanilla. 1⁄8 of the cupcakes are strawberry. And the rest of the cupcakes are chocolate. How many of each type of cupcake do we have?

If f (x) = 8x + 16, then find f - 1 (x).

What is 8 to the power of two?

What is the ratio of 8 noisemakers to 6 party hats?

A polynomial function has zeros at - 1 2 and 7 (all multiplicity 1) write a function in standard form that could represent this function