Answer:
x = -9, 3
Step-by-step explanation:
you cross multiply
Answer:
choise 2
Step-by-step explanation:
it equals 12 which is less than 15, the other option are more than 15
If the slope of one line is 2, and the other line is perpendicular, the other line's slope is the negative reciprocal of 2, or -1/2 :)