Which ordered pair is a solution of the system of a linear equation below? y= 1/4x +2 y= x-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.

If 3x+8=3x+8 is it one solution or no solution

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle