Sadie has mangos and watermelons in a ratio of 91:11. How many mangos does she have if she has 66 watermelons? On the double number line below, fill in the given values, then use multiplication or division to find the missing value.

In the geometric progression –3, 12, −48… what term is 3,072?

What is r i 4.5+10r=-6.5 with work pls

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?