40 students walk to school. 1/4 of the students take 15 minutes to walk to school.

1/5 of the students take 20 minutes to walk to school.

The rest of the students take 5 minutes to walk to school.

What is the probability that a student takes less than 15 minutes to walk to school?

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Which graph of a hyperbola represents the equation 16x^2-y^2=16