A telecommunications company offers two calling cards. The first card costs $25 for 750 minutes, while the second card costs $40 for 1,300 minutes. Which is the better deal?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

What does x = in this equation x+3+2x=x+5

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.