Answer:
60
Step-by-step explanation:
Just use similar triangles.
12/10 = 72/x
Now solve for x.
x = 72 * 10 / 12 = 60
Answer:
115%
Step-by-step explanation:
5 is completely irrelevant, Vertical angles are congruent.
-4 is the rate of change otherwise known as the slope
Answer is 15%
You have to do a proportion
12. = x
80 100 and u have to cross multiply
80x = 1200
80. 80
then divide 1200÷80=15
