Answer:
7y
Step-by-step explanation:
3y+4y=7y
Answer: Expression: 4y+3y
Property: Commutative Property
4500 dollars
x = 0.5
x = 0
the origin
there are 60 minutes per hour
99/60 = 1.65 km per minute
1.65 x 2 = 3.3 km in 2 minutes