Point e is the midpoint of side
bc
of parallelogram abcd, and point f is the midpoint of side
ad
. prove that quadrilateral afce is a parallelogram.

triangle abf = triangle (blank) by rule (blank)

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Which function has the domain x> -11?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?