Find the value of x for which PQ and RS are parallel

Astudent simplified a rational expression as shown.

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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.