Simplify (-2x)^4
a.) -16x^4
b.) -8x^4
c.) -2x^4
d.) 8x^4
e.) 16x^4

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours