Simplify.
(3x2 + 2x + 7x3) + (10x2 + 6x + 9)

The circumference of a circle is 60 pi cm3what is the radius of the circle

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?