Juwan kept track of the number of offers he received for credit cards, as shown in the table below. Which of the
following is the best equation to describe the relationship
between the number of days and the number of credit card
offers Juwan received?
Credit Card Offers
Days, x 2 4 5 7
Offers, y 6 10
12
16
y = 2x + 2
y = 2x
y = 3
= 3x - 2
y = 4x - 6
i’m

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?