If a = 1 and b = - 3, what is the value of a - 21 + 12 - bl?

A. - 2

B. 4.

D. 6

E. 8

Decompose the fraction 3/5.

Goran drove 638 miles in 11 hours. at the same rate, how many miles would he drive in 7 hours?

Write each phrase in a algebraic expression. p divided by 6

16[1/4 + 4 (36/12) ]

How many solutions does the equation 4m 9 = 4 5 4m have? two infinitely many none one

Irina wants to build a fence around a rectangular vegetable garden so that it has a width of at least 10 feet. She can use a maximum of 150 feet of fencing.

At the flea market path and four buckets of Legos with each bucket containing 1,398 Lego pieces. if you wanted to with the Lego pieces into three piles, how many pieces should he put into each pound?

Jane's favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5:2:3. How many cups of pear juice should she use to make 20 cups of punch?

What is 8x over 3 minus X over 2 equals - 13?

Find the present values of these ordinary annuities. discounting occurs once a year. a. $600 per year for 12 years at 8%