Charlotte wishes to pay off her mortgage. She is willing to make payments of $1200 a month and has already paid $40,000 as a down payment. Write an equation that models the time it takes for Charlotte to pay her mortgage with C as the cost of the mortgage and M the numbers of months it will take.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle