Maggie has a collection of 1,200 Pennies. Of these, 25% are dated before 1980, 35% are dated from 1980 - 2000, and the rest are dated after 2000. How many pennies in Maggie’s collection are dated after 2000? A 480 B 720 C 40 D 60

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

Given abcd ac=38 and ae=3x+4 find the value of x

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23