Which one of the following examples represents a proper fraction?
a. 12/9
b. 15/22
c. 3/2
d. 8/8

How do i do this? i don’t understand

What is the value of x when x + 7 = 21?

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor