Which expression is equivalent to y×y×y×z×z×z×z
y3z4
12xy
(yz)7
7xy

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

286 divided by 457.6 what is the quotient?