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

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

You can find the constant of proportionality by finding the ratio of

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap