(1 point) rewrite the following using a single exponent.

we are given

now, we can use property of exponent

so, we can write as

now, we can plug back

we can use property of exponent as

we can write as

now, we can compare both sides exponents

and we will get

................Answer

the answer is d on edge

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.