6. Explain the difference between "4 times the sum of x and y' and "the sum of 4 times x and y."

I don't know the right answer

Step-by-step explanation:

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.

a

step-by-step explanation:

strong negative correlation