If the mean of 6 numbers is 20, and the mean of 4 of those numbers is 18, what is
the mean of the other 2 numbers?

52 cm radius = diameter = area = circumference = circumfer

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

2pointswhat is the best next step in the construction of the perpendicular bisector ofab?