Answer:
15x = -75
x = -5
Step-by-step explanation:
Set the first part about the product of 15 and x equal to -75.
Then, divide both sides by -15 to get y = -5.
Yes, there will be more than 100 inches because there are 12 inches in a foot so it’s 100x12 which means it’s going to be 1,200 inches per second
Answer: 
Step-by-step explanation:
The formula for area of a triangle is 
Now we have to isolate for w.
First multiply by the 2 which is the reciprocal of 1/2 to cancel it out.

Now divide by h to isolate w.
It is linear for sure.
Because 12×12=144 and 144×12=1728