100 students are interviewed to see which of biology, chemistry or physics they prefer. 55 of the students are girls. 36 of the girls like biology best.
10 of the boys prefer physics.
7 out of the 21 who prefer chemistry are girls.
What percentage of the students prefer biology?

H(x)=4x2-5x h(-3) what is the answer?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.