The table shows information about the ages of 90 employees in a factory.
Frequency
10
Age (a years)
15 < a < 25
25 < a < 35
35 < a < 45
45 < a < 55
55 < a < 65
29
18
26
7
Calculate an estimate for the mean age.

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

52 cm radius = diameter = area = circumference = circumfer