The area of a circle is 78.5 m2. Find the radius and diameter of the circle.

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Icould really use some with this question.