Match the vocabulary word to its correct definition. 1. associative property 2. commutative property

a property of the real numbers which states that how numbers are grouped in a sum or product does not change the value

a property of the real numbers which states that the order in which numbers are added or multiplied does not change the value

answer: b.

step-by-step explanation:

it is b. cause the equations are put in the right category

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.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3