Answer:
x = -1.3
Step-by-step explanation:
5x +9=2.5
subtract 9 from both sides
5x = -6.6
divide both sides by 5
x=-1.3
The function is

Initial investment is given when

, so substituting this into

we have


Hence, correct answer is B $10
I would say it’s C because you make X negative
Answer:
84
Step-by-step explanation:
15+15+27+27
The angle measure would be 53°.
Complementary angles add up to 90° so, if you're trying to find the other angle measure just subtract the angle measurement that you already know from 90.
90 - 37 = 53
Hope this helps! :)<span />