Answer:
99/100
Step-by-step explanation:
First of all recall that

Now we we will try to apply that formula for
and
.
First rewrite 
Now

1. 55
2. N/A - Sorry. I can’t see the numbers properly.
3. 180
You can take in x values starting from -4 to 4. Substitute the x values in the equation and find the y values.
Using the values, you can plot the line.
Easy :)
61 = 3b + 7
3b + 7 = 61
3b = 61 - 7
3b = 54
b = 54/3
b = 18.
Answer:
rounding to the thousandths place, the answer is 0.714
Step-by-step explanation:
This can easily be looked up on google