Which shape must have opposite sides that are parallel and congruent, and diagonals that are perpendicular

1/2 x so for some = 3/10

What is the gcf of 6x^5+9x^3-12x

A cylinder has a base diameter of 8 inches and a height of 7 inches. What is its volume in cubic inches, to the nearest tenths place?

The cost of a service call to fix a washing machine can be expressed by the linear function y=45x+35 where y represents the total cost and x represents the number of hours it takes to fix the machine.

Find the axis of symmetry for this parabola y=-2x^2+4x-10

How many 2-digit numbers are multiples of 4?

Which fraction is the equivalent of 145%? 0 | 0 | 0 | 0 |

Melinda is itemizing deductions on her federal income tax return. Her AGI was $295,420 last year, and she contributed $148,160 to charity.

16 divided by (13+7) - (12+4)

What slope would a line have that has a slope parallel to the line - 6x+3y = 18?