Answer:
y=|x|-7
Step-by-step explanation:
When looking at an equation like so the number will stay the same but what changes is the adding or subtracting symbol.
+ = Up(Positive)
- = Down(Negative
Your goal is to have x by itself
Send st to other side
rx= r+st
Divide by r so x stays alone
X=(r+st)/r
Which is also equal to
X=r/r+st/r
X= 1+st/r
(3.49+4.71)1.80=cost
(8.2)1.80=cost
14.76=cost
Luis spends $14.76 all together
Answer:

Step-by-step explanation:

Hope this helps!
Answer:
3
Step-by-step explanation:
Circumference =
, where r is radius, and d is diameter
d=113/3.14=35.987, which is approximately 36
At 12 yards per hour, it will take 36/12=3 hours