21. 5c+d=c+40
(a) Find the ratio c:d

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Which expression is equivalent to sq-80

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?