Factorize completely the following algebra expression:

81x^4-16y^8

A grocery store had cans of soup on 7 different shelves. The bottom four shelves each had 29 cans. The top 3 shelves each has 42 cans. What was the total number of cans on the shelves?

An angle measuring (870n) ° is in standard position. For which value of n will the terminal side fall along the positive portion of the y-axis?

How canyou find the LCD with 3 fractions

Y = (x + 2) (x - 3) is the right answer

One million $1 bills are placed end to end on the ground. How far would they reach? Across a football field? Across a state? Across the United States? Around the world? Explain your reasoning.

Find the product. (6a + b) 2

If ben has 3 apples and give 1, how many does he have left?

Melinda has ten fewer nickels than quarters. She has $5.20 in the bank. How many coins of each type does she have.

Why can't a vertical line intersect a function more than once?

you are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each soada $0.50. At the end of the night you made a total of $78.50. You sold a total of 87 hot dogs and sodas combined.