Help! due in 10 minutes!

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f