What is the recursive rule for this geometric sequence? 1, 3, 9, 27, enter your answers an=__ ⋅an−1 a1=__

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?