Help please. . . My little sister needs help on this. . .

Soo-Jung used the subtraction property of equality to solve an equation for y. Which equation could be the one that Soo-Jung solved?

A.

B.

C.

D.

Find percent notation for 0.008 0.008=

The sum of two numbers is 86, and their difference is 20. find the two numbers

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.