Solve each system:

80x+60y=85

100x-40y=20

Bonnie invested $8000 for 6 years in a savings account paying simple interest with a yearly interest rate of 1.5%. How much simple interest did she earn? Show your work.

Graph the equation x^3+3x^2=x^2 to find the solution

Estimate, 6 and 1/2 - 5 and 7/8. five and six are whole base numbers.

There were135 bottom in a jar Robin put more bottom into the jar how many goups of ten bottoms did she put in a jar

5. A gram of fat contains nine calories. An 1,800- calorie diet allows no more than 20% calories from fat. How many grams of fat are allowed in that diet? a. 40 g b. 90 g c. 200 g d. 360 g

Whats 5+8-9-777777+2567-976

If A=16 degrees 55' and c=13.7, find a

What's the algebraic expression of "4 times a number cubed decreased by 7"?

Is the following argument valid? State why or why not. Use a truth table. If I like chocolate or ice cream, then I like candy. I don't like ice cream. Therefore, I like candy or chocolate.

Hershel buys 5 bags of cookies, 3 bags of granola, and several bags of fruit snacks from a bake sale. In total, he buys 10 bags from the bake sale. How many bags of fruit snacks did Hershel buy?