Answer:
The correct answer would be D) 4.8x + 1.2 = 3.6; x = 0.5 mile
Step-by-step explanation:
This is because laps would be the dependent variable, so we know the number of them (4.8) would be multiplied by the variable (x). We also know that 1.2 is the constant. Now we can solve to make sure this is the right equation.
4.8x + 1.2 = 3.6
4.8x = 2.4
x = 0.5
Answer:

The solution set is 
Step-by-step explanation:
we have

Solve for x
Subtract
both sides


Divide by
both sides


The solution is the interval-------> 
All real numbers greater than 
No, because since each pennant cost 18$ then 7 pennants should cost 126$. So for Ms. Lee to pay 146$ is not reasonable.
Answer:
Missing Number) 55
Property being used) Distributive
Step-by-step explanation:
To find the missing number, just plug in reasonable numbers from the other equation. It is distributive because the 55 is being distributed into everything that is inside the parentheses. If you need more help, comment and I'll be more than glad to assist you! :P