Answer:
1. 1 1/2 feet
2. 0.46
3a. 0.62 I'm not sure if this one's correct, it's worded weird
3b. -3.43
3c. 0.14
3d. -0.481
It d over 3 u 2 text me if you need more help hope this helps u a little bit more.
I do not understand ???????????????????
The formula is y = mx+b where m is the slope and b is the y intercept.
y = 0x + b
7 = (-6)0 + b
7 = 0 + b
b = 7
y = +7