5f+4f-8=19

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Step-by-step explanation:

5f+4f-8=19

=> 9f = 19 + 8

=> 9f = 27

=> f = 3 (Ans)

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )

the answer would be 44.79

plz mark brainliest

step-by-step explanation: