Ann picks a 4-digit number. the first digit is not zero. the 4-digit number is a multiple of 5. how many different 4-digit numbers could she pick?

18a

step-by-step explanation:

simply because it is. it's the highest common factor

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168

- (2, -7)

- lines r and s and lines t and u must be parallel