Solve the system of equations algebraically.
4x – 3y = 8
5x - 4y = 5
a. (16, 21)
c. no solution
d. (17,20)
b. many solutions

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Given the functions, f(x) = 2x^2 - 1 and g(x) = 5x, find f(g(x)) and g(f(

What is the difference between a linear interval and a nonlinear interval?