Brooke has to set up 70 chairs in equal rose for the class talent show but there is no room for them more than 20 rows what are the possible number of rows the brooke could set up

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Can anyone me with 32,33,36,37,and 40.

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.