Simplify.

(2a^2-9b) (4a+b)

A. 8a^3+36a^2b-2ab-9b^2

B. 8a^3+2a^2b-36ab-9b^2

C. 8a^3-34ab-9b^2

D. 8a^3-9b^2

A scale drawn on the map shows that 1 inch represents 16 miles. if two cities are 3.25 inches apart on the map, what is the distance between them in real life?

The perimeter of a rectangle is less than or equal to 50 inches. The length of the rectangle is 10 inches. What inequality represents the possible values of the width of the rectangle?

Graph the solution on the number line. - 22 < 4x - 6 < - 10 - -

Amelia has a checking account. Her opening balance on 2/10 was $90. The bank charges 45¢ for each debit card transaction, 30¢ for each check she writes, and $2.25 for each nonbank ATM transaction.

A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). The size of the high-quality version is 4.6 MB. Yesterday, there were 800 downloads of the song, for a total download size of 3262 MB.

A dog weighs 2 pounds more than a cat. 3 cats and 4 dogs together weigh 43 pounds. How much does a dog weigh? How much does a cat weigh?

Is y equals x to the third power + x equals - 3 then what does y equal

What is f and x in f (x) = 7

18 * 5 * 10 * 9 * 7

Home Depot wants to buy a new line of fertilizers. Manufacturer A offers a 21/13 chain discount. Manufacturer B offers a 26/8 chain discount. Both manufacturers have the same list price. What manufacturer should Home Depot buy from, show why?