If anyone has any links or answers to this packet plz respond quickly!

The packet is: Algebra 1 Spring Break Packet 2013-2014

The first question looks like the one attached

PLZ RESPOND

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.

Bring the fraction a/a-4 to a denominator of 16-a^2

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?