Explain!

3. the sequence 6, 18, 54, 162, … shows the number of pushups kendall did each week, starting with her first
week of exercising.
(a) what is the recursive rule for the sequence?
(b) what is the iterative rule for the sequence

Answer this question! 30 points and brainliest! only if you know the answer.

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?