The circumference of a circle is C centimeters. The diameter of the circle is 6 centimeters. Write an
expression that represents the value of n.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11