The mathematics faculty at a college consists of 4 professors, 5 associate professors, 6 assistant professors, and 8 instructors. if one faculty member is randomly selected, find the probability of choosing a professor or an instructor.

Idon’t understand! 15 points for whoever answers correctly! write an equation for the lion, and one for the zebra. then, plot the points on an x, y chart going up to 8. plot both points on the

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'