evaluate each expression if g=2 r=3 and t=11
1. 7 - gr=
2. (2t+3g)÷4=
3. 3g (g+r) ² - 1=

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?