$6.50(c + 18) = $6.50c + $117.00 a. the cost of attending a concert for c groups of people for $6.50 each. b. the amount for movie tickets for c adults when the cost is $6.50 more than $117.00 each. c. the amount of zoo admission for $6.50 more than c and $117.00. d. the cost of a birthday package at the theater with a base cost of $117.00 plus $6.50 per child.

Pls brainliest will be awarded if answer is correct

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)