Why does the square root of 64 have a positive and negative value?

At the Oral Language Fair, Tom's speech took 9 1/2 minutes. Andrea's speech was 7/8 as long as Tom's. How long was Andrea's speech?

Find three solutions of the equation (x^2-9) (x^3-8) = 0

The system of equations shown is solved using the linear combination method What does 0 = 0 mean regarding the solution to the system?

Tina reads at least 30 minutes each day. Write an inequality to show how much Tina reads.

Factor completely. 3x3 - 12x a. 3x (x - 2) (x - 2) b. 3x (x + 2) (x - 2) c. 3 (x + 2) (x - 2) d. 3x (x - 4)

Rename 13 4/12 as a mixed number with a fraction greater than 1

12x=48-8y - 10x=38-8y X=5 what is y

What is the domain of f (x) = cos (x) ? the set of real numbers - 2x3x32x the set of real numbers - 1 5x51 the set of real numbers 0 SXS2 the set of all real numbers

Tyler had 2 7/16 yards of fabric. He used 3/4 yard to make a vest about how much fabric did he have left?

Rosario paid $2.50 for 3 pounds of apples. Select all of the rates that are equivalent to the rate Rosario paid. A.$0.90 for 1 pounds B.$4.50 for 5 pounds C.$7.50 for 9 pounds D.$9.60 for 11 pounds E.$10.00 for 12 pounds