According to beautiful bride magazine, the average age of a groom is now 26.2 years. a sample of 16 prospective grooms in chicago revealed that their average age was 26.6 years with a standard deviation of 5.3 years. what is the test value for a t test of the claim?
a.1.81
b.0.30
c.0.59
d.2.13

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start