Forensic scientisrs sometimes use the following equations to estimate the height(H) of a person from the length (f) of the person's femur bone. (Femur bone is a large bone in the upper part of the leg) All measurements are in centimetres Male: H=1.9f + 81.3
Female: H=2.0f + 73.0 ​

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.