How much money did mme. sofronie pay della for her hair? a $30 b $10 c $20 d $40?

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that