Please help need help on solving these right triangles

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

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.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')