I really need help no links Solving a quadratic equation with complex roots

find all complex solutions
x^2+5x+13=0

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.

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1

If y varies as x, and y=8 as x=4 what will be the value of y if x=2