Is the number 39 prime or composite and is the number 29 prime or composite or is the number 51 prime or composite.

1. alicia and jamal completed the following " given : 3x+7=x-5 prove: x=-6 Alicia's workt. 3x+7=x-5 : given 2x+7=-5: subtraction property of equality 2x=-12: subtraction property of quality x=-6: division property of equality jamal's work 3x+7=

Solve the system of linear equations by graphing y = - 5/2 * - 7 X + 2y = 4

The math department needs to buy new textbooks and laptops for the computer science classroom. The textbooks cost $89.00 each, and the laptops cost $395.00 each.

Which property is (8•9) b=8 (9b)

Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence? f (1) = 6, f (4) = 12, f (7) = 18

Add. 7 2/15 + 5 2/3 + 9 13/15 20 2/3 21 10/15 21 2/3 22 2/3

Which expressions could be used for finding the perimeter of a square? Choose the three expressions that apply 1. 9+9+9+9 2. 8+9+8+9 3. 7+7+7+7 4. 4+4+4+4 5. 4+3+4+2

What is the unit rate of $36 for 4 tickets?

Alison is baking cookies for 4 friends. Each friend gets 3/4 ofa cup of sugar in batch. How many cups of sugar does alison need? pt 2: the grocery store is selling a box of sugar containing 2 cups.

To the nearest hundredth, how many times greater was the mens open time to the women's wheelchair time?