The quotient of a number c and 7 is 20. NOLINKS

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Can (2,3 and square root 10) be sides ona right triangle?

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.