Simplify square root of 81a^5b

The price of an item yesterday was $120. Today the price fell to $78 find the percentage decrease

Ana purchased a gallon of milk for $2.22, bagels for $2.97, and a box of cereal for $2.42. How much money did Ana spend in all? Do not include s in your answer.

What values of c makes the polynomial below a perfect square? x^2+16x+c c= A. 64 B. 32 C. 4 D. 256

In ΔDEF, the measure of ∠F=90°, FE = 21, DF = 20, and ED = 29. What is the value of the cosine of ∠E to the nearest hundredth?

Which expression is equivalent to 10x^6y^12/-5x^-2y^-6? Assume. x=0. y=0.

Divide. 8 2/5 : (-2 1/5) Enter your answer as a mixed number, in simplified form, in the box.

The Spanish club decides to sell school pins $1.50 each and T-shirts at $6.50 each for a fundraiser. They projects that they will sell 20 School pins and five T-shirts each week for three weeks how much money are they projecting to make during the

A triangle is sitting on a horizontal line. The bottom left interior angle of the triangle is (9 + k) degrees. The exterior angle to the bottom left interior angle is (5 k minus 3) degrees. What is the value of k? k = 28 k = 29 k = 31 k = 42

A number reduced by 15 results in 14. Which equation models this sentence? A) 15-m=14 B) m-15=14 C) 14-m=15 D) m-14=15

4.5+1.5m=18-3m solve for m?