Answer:
105
Step-by-step explanation:
Answer: 105 Cars
Step-by-step explanation: To get an increase of 25% you need to multiply 84 by .25 then add the product of that to 84 to get 105
y=9 (x=-4.5)
you have to split the equation up in order to solve
5y=45
divide by 5 on both sides
y=9
-10x=45
divide by -10
x=-4.5
6
Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.
Answer: The first one