Hermina cut a 10" by 15" piece of cardboard down the diagonal

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?