91. In a certain state, the sales tax rate increased from 7.0% to 7.5%. What
was the increase in the sales tax on a
$200 item?
A. $1
B. $10
c. $14
D. $15

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio