2x-3y=7 and y=3x-7 how do you solve this using subsitution

Assemble the proof by dragging tiles to the statements and reasons column

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 : ')