Pens cost $p exercise books cost $b. Write an algebraic expression that represent the cost of purchasing 20 pens and 8 exercise books.

Four times a number plus three times the sum of a number and four is equal to negative nine. Write the equation

500 sheets of paper for $9.45 or 4500 sheets of paper for $49.00

How do I solve 5a - (3a-7) ?

How many solutions does the following system have: 4x + 8y = 16 3x + 6y = 9 Explain how to determine the number of solutions without solving the system. Then apply elimination, and interpret the resulting expression.

5. a square with side length 8 inches

Which statement best describes putting a "hold" on a check?

Two more than three times a number is six less than the product of two and a number.

Which statements are true about the experimental and theoretical probability of this trial? Jacob's Coin Flips. Heads occurs 68 times and tails occurs 32 times.

Petes dog weighed 30 pounds. It then lost 16% of it weight. How long did pete's dog loose?

In the following line of letters, what letter follows the seventh E? B E F B E B I E F S E E D P F E S J E E J D E D E P J E T