One pizza serves four people so, you will need 10 pizzas for 40 people so that make the answer (A.)
Answer:
(2, -8)
Step-by-step explanation:
(x, y)=(-3, -1)
(x1+x2)/2=-3,
(y2+y2)/2=-1,
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(x1+x2)/2=-3
(y1+y2)/2=-1
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x1-8=-6
x1=2
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y1+6=-2
y1=-8
(2, -8)
First add 5 to right side

Next , to cancel the 7, you need to multiply by 7 on both sides
Answer:
-14
Step-by-step explanation: