Please help At a music store, CDs are sold at $5 each and DVDs are sold at $7 each. If one day it sold
10 more CDs than DVDs, and makes a total of $530, how many CDs and DVDs did it sell
respectively?

What is the y intercept of f(x)=(1/2)^x?

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)

At the movie theatre, child admission is $5.20 and adult admission is $9.70. on sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. how many child tickets were sold that day?