GIVING BRAINLIEST HELP ASAP Keith purchased a prepaid phone card for $15.00 . Calls cost 9 cents a minute using this card. The credit, C (in dollars), left on the card after it is used for x minutes of calls is given by the following function.

C(x)=$15.00-0.09x

How much credit is left on the card after Keith uses it for 30 minutes of calls?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)