Which expression is equivalent to x2-16 ?

The system of equations graphed below has how many solutions?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

5x−4≥12 or 12x+5≤−4 can you with this problem