PLEASEE HELPP WILL BRAINLIST find the output when x = 0

output: 8

Step-by-step explanation:

since x=0 y would equal 8 which is the output.

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.

it would open into a square depending on the type of envelope i’m not sure about the second part