Answer:
The answer is $4.10
Step-by-step explanation:
You have to subtract 15.90 from 20
Answer:
(B) 
x=5
Step-by-step explanation:
Given the three equivalent forms of f(x):

The form which most quickly reveals the zeros (or "roots") of f(x) is
(B) 
This is as a result of the fact that on equating to zero, the roots becomes immediately evident.

Therefore, one of the zeros, x=5
Your answer is 4 I hope this help
D is the correct answer
Hope this help
Answer:
Step-by-step explanation:
= 7 – 1 + 9 x 8
= 7 – 1 + 72
Finish up by evaluating the addition and subtraction from left to right:
= 6 + 72
= 78