Name the following segment or point. Given:
L, M, N are midpoints
P
M
A
R
N
altitude to AB
segment CR
O segment BL
O segment CN

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.

Create a quadratic equation that has complex solutions

Teresa is maintaining a camp fire. she can keep the fire burning for 4 hours with 6 logs. she wants to know how many logs (y) she needs to keep the fire burning for 18 hours. she assumes all the logs are the same how many logs does tressa need to make a 18 hour fire?