in the right triangular prism below, bg perpendicular fc

a right triangular prism is shown. triangles a e d and b f g are the base triangles. a perpendicular bisector is drawn from point b to point g on side f c.

the volume of the prism is 900 cubic centimeters. the height of the prism is 15 centimeters and the height of the triangular base is 10 centimeters. what is the length of edge fc?

cm

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday