Why is 4 x 9 equal to 9 x 4?

A frame of width a surrounds a 5 by 7 inch photograph. Find the expression that represents the area of the frame in terms of a. a 2 - 35a 2 + 12a4a 2 + 24aNone of these

Which expression represents the phrase? "The product of 2 and the sum of 8 and y." A) 2 - 8y B) 2 (8 - y) C) 2 (8 + y) D) 2 + 8y

Simplify (3*) (x) - (x) (2x)

The perimeter of a square is 20 feet. How long is each side? a 101 c. 1511 b. 5ft d. 20 ft

3. Bawi is saving up for a new soccer goal. The soccer goal costs $150. Bawi already has $22 and earns $12 for his allowance each week. Write an equation to represent this situation.

Solve two different equations 4x-8=40

Oprah looks at this histogram of a distribution with a mean of 6.7 grams and a standard deviation of 1 gram. She claims that approximately 68% of the data is between 5.7 and 7.7 grams. What is the error in her thinking?

Three coins are tossed. find the probability that two lands on heads

What percent of 5 is 34

Arrange the following polynomial into descending order for x, then interpret the degree of the 2nd term. 7x3y3 + 4 - 11x5y2 - 3x2y