There are 10 people on a train and they each have 2 dogs how many dogs are on the train

What are the soultion(s) to the quadratic equation 40- x^2=0

If square root x = -7, then x= -49 true or false

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.