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Answer: D) 130.5 degrees</h3>
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Work Shown:

Note: I used the law of cosines. Make sure your calculator is in degree mode.
Answer:
y = 30x + 75
Step-by-step explanation:
every month you're paying 30 dollars for a fee.
the 75 dollars is simply the "down payment" so to say.
m is the constant growth or the continuous growth or the charge per month.
Simplify 140/96 into 35/24 since they have the common factor 4. Then convert it to 1 whole and 11/24
Answer: 4 1/4
Step-by-step explanation: 85 divided by 20 is 4.25
Answer:
B. -x^2 + 3x + 7
Step-by-step explanation:
(f -g)(x) = f(x) -g(x) = (3x +1) - (x^2 -6) . . . . substitute the functions
= 3x +1 -x^2 +6 . . . . . . . eliminate parentheses; next, collect terms
= -x^2 +3x +7 . . . . . matches choice B