Answer:
3.14(3.1)^2 = 30.1754
Step-by-step explanation:
pi times radius squared - area of a circle
Answer:
50
Step-by-step explanation:
so half a dollar is $0.50. We multiply by 9, which gives you $4.50. But the customer gave $5, so they would get $0.50 back.
Answer:
y = -7.
Step-by-step explanation:
It is horizontal so it will pass through the y axis where y = -7. It is parallel to the x axis so will never pass through it.
Answer: Centroid
<u>Step-by-step explanation:</u>
Medians intersect at the CENTROID
Altitudes intersect at the Orthocenter
Perpendicular bisectors intersect at the Circumcenter
Angle bisectors intersect at the Incenter