Answer:
2x+4
Step-by-step explanation:
mx+b
goes up two then over one, best way to remember is ryse over run ! rise with a y meaning y goes on top, so technically the answer would be

the plus four is the 'b' or the y intercept so where the line crosses the vertical y.
hope this helped !
The 2nd one is right
112.5 divided by 15 is 7.5
You need to find the perimeter so your units would be feet.
LETTER B
Answer:
22.2710574513
Step-by-step explanation:
9.9
Shibes are cute, aren't they?