Answer: 
Step-by-step explanation:
Given
Andy wants to turn
on his skateboard
Currently, he can make a turn of 
The difference between the required and current turn degree meets his goal i.e.

Thus, he needs to turn by
to meet his goal
Answer:
y = 2x+7
Step-by-step explanation:
This is equation is in the form
y= mx+b where m is the slope and b is the y intercept
y =2x + ? means we are looking for the y intercept which is the value of y when x is zero
From the table, x=0 and y=7
y = 2x+7
210 is 21 groups of ten. 240 is 24 tens
Answer:
3/2(x+y)
Step-by-step explanation:
The cost of 2 DVD is x+y
Divide by 2 to get the cost of one DVD
(x+y) /2
Multiply by 3 to get the cost of 3
3/2(x+y)
Answer:
2 second one cuz x can't be smaller than 0 because x is SQUARED