Which of the following is equal to the rational expression when x=-1 or - 7? (x+1) (x-1) / (x+7) (x+1)

a. x+7/x-1

b. x-1/x+7

c. x+1/x+7

What is the probability that your birthday will fall on saturday or sunday

What is the solution for 2x - 4 = - 8

5 is less than or equal to x/-2 a. x is less than or equal to - 10 b. x is greater than or equal to - 10 c. x is less than or equal to - 3 d. x is greater than or equal to - 3

The sun spa charges annual dues of $125 plus $10 per hour to use the facilities. the moon spa charges annual dues of $230 plus $7 per hour to use the facilities. for what number of hours would the two spas charge the same total amount?

Uan runs 7 miles in 54 minutes. how many minutes does he take per mile?

Amelia knits 1/10 of a scarf in 48 minutes. What fraction of a scarf can Amelia knit in 1 hour?

Each equation given below describes a parabola. Which statement best compares their graphs? y = - 3x2 y = - 7x2 A. Both parabolas open downward, and y = - 7x2 is wider than y = - 3x2. B.

What is the value is a 42=8a

A town has accumulated 5 inches of snow, and the snow depth is increasing by 5 inches every hour. A nearby town has accumulated 9 inches, and the depth is increasing by 3 inches every hour.

Paul needs to buy 5/8 pounds of peanuts the scale s at the store. measures parts of a pound in sisteensths. what measure is equivalent to 5/8 pound