What is the value of a?

1/2a + (-7) + 1/2a = 1/3

Joyce Meadow pays her three workers $160, $470, and $800, respectively, per week. Calculate what Joyce will pay at the end of the first quarter for (A) state unemployment and (B) federal unemployment. Assume a state rate of 5.

A right pyramid with a square base has a base length of x inches, and the height is two inches longer than the length of the base.

6. A publisher requires 2⁄3 of a page of advertisements for every 5 pages in a magazine. If a magazine has 98 pages, to the nearest whole page, how many pages of the magazine are advertisements?

Mr. sanchez drives 120 miles in 3 hours. At the same rate, how far will he drive in 5 hours

Expand and simplify : A) (x+7) (x+10). B) (X-3) (X-9)

What is the answer to - 4|8n|=-32

7 less than the product of 4 and the number

The positive square root of 72 lies between what pairs of integers? a. 5 and 6 b. 6 and 7 c. 7 and 8 d. 8 and 9 e. 9 and 10

Which inequality has no solution? 6 (x+2) > x-3 3+4x<2 (1+2x) -2 (x+6) < x-20 x-9 < 3 (x-3)

What is a number not divisible by 2 whose digit is 1,4,5,7