The histogram gives information about the ages of the 115 members of a social club.

2.0

80% of the members who are

over 50 years old are female.

1.5

Work out an estimate for the

number of female members

who are over 50 years of age. a 1.0

Frequency density

+

0.5

20

40

60

Age in years

80

100

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years