Solve each system of equations below by the substitution method. And show your work.

11. x-y=3

6x+4y=13

Simplify x + 15 - 4.

Why does stock have more potential for higher returns than bonds?

What two expressions are equivilant to 2 (x+4)

How do I write 15.062 in word form

3 guys go into a hardware store, all looking to buy the same thing. William buys 1 for $1. Billy buys 99 for $2. Finally, Willie buys 757 for $3. What were they buying?

One day 10% of the students enrolled in the school were absent. There were 1,620 students present on that day. How many students were absent?

Which expression can be used to show a group of twenty seven players divided into three teams

2 Solve the equation for x: 3x - 5 = 5x + 2x. Show your work.

A weather satellite I'm circular orbit around earth completes one orbit every 5 hours. The radius of earth is about 6,400 km and the satellite is positioned 4,700 km above the earth. How far does the satellite travel in 1 hour?

As the student council treasurer, you prepare the budget for your class rafting trip. Each large raft costs $100 to rent and each small raft costs $40 to rent. You have $1,600 to spend.