Answer:
8
Step-by-step explanation:
x=-1 so -(-1)+7=y
1+7=y
8=y
X = games won
y = games lost
x + y = 72
x = 2y + 15
2y + 15 + y = 72
3y + 15 = 72
3y = 72 - 15
3y = 57
y = 57/3
y = 19 <=== lost games
x = 2y + 15
x = 2(19) + 15
x = 53 <=== won games
Answer:
<h2>A. 2x² + 5x + 1</h2>
Step-by-step explanation:

Answer:
The first answer is correct.
(x + 1)^2 + (y - 2)^2 = 1
A circle with the midpoint M(Mx, My) and the radius r can be written as
(x - Mx)^2 + (y - My)^2 = r^2
Answer:
449pounds
Step-by-step explanation:
29x15months=435
435+15=449 pounds
P.S. That was one BIG dog.