Posted by **Delilah** on Friday, December 7, 2012 at 8:13pm.

Simplify each expression.

1.

2z - 3y - 8z + y

2.

9 - 7t + 1 + 4t

3. For the summer, Tia buys 3 T-shirts and 2 pairs of shorts. Her brother buys 4 T-shirts and 1 pair of shorts. Define and use variables to represent the total cost.

I have no idea how to do this! Please help!

## Answer This Question

## Related Questions

- math - Andrea buys four shirts and three pairs of pants for $85.50. She returns ...
- Math - 1.Jake has 10 t-shirts and 5 collared shirts. What is his ratio of t-...
- Algebra 1- Just one question - Rebecca is shopping for back-to-school clothes. ...
- math - Two twin brothers each have two favorite sweat shirts that they wear ...
- Algebra - Jess saved $500 working during the summer. He plans to buy school ...
- 7th math - At the mall, you spent a total of $170.86. You bought 2 pairs of ...
- Algebra - a sporting goods store sold twice as many t-shirts as shorts. T-shirts...
- 5th grade math - T = t-shirts & S = shorts T + T + S + S = $42 T + S + S + S = $...
- 5th grade math - T = t-shirts & S = shorts T + T + S + S = $42 T + S + S + S = $...
- algebra - Susie has a budget of $92 to spend on clothes. The shorts she wants to...

More Related Questions