a committee must be formed with 2 teachers and 4 students. if there are 9 teachers to choose from, and 9 students, how many different ways could the committee be made?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)