Help, this is a multiple choice a. f^-1(x)=(x-7)^2

b. f^-1(x)=x^2-7

c. f^-1(x)=(x+7)^2

d. f^-1(x)=x1/2-7

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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angle addition postulate

2x=56

step-by-step explanation:

1/4 because there is 4 grades.

a

step-by-step explanation:

the denominator cannot be the same as one of the factors.

8 denominator times 2 denominator = 16

and 7 numerator time 11 = 77

77/16= 77/16 ( they cannot be further simplified)