Rearrange the equation so x is the independent variable. -5x-4y=-8

the answer for khan academy is

y=-5/4x+2

Step-by-step explanation:

−5x−4y=−8

-4=5x−8

y=5x/-4 - 8/-4

y=-5/4x+2

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b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.