Adinner bill of $31.37 had 6% tax added to that total. what was the amount of the tax? a. $1.88 b. $1.57 c. $33.25 d. $18.82

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?