Write the first five terms of each geometric sequence
a1 = 40 r= 1/2

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which is the scale factor proportion for the enlargement shown?

If two parallel lines are cut by a transversal, interior angles on the same side of the transversal are supplementary. a. always b. sometimes c. never