Alicia randomly selects one of the number from the list of the numbers below.
20 , 25 , 30 , -35 , 40
What is the probability that she selects a positive number?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Which of the following circles have their centers in the third quadrant? check all that apply.

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is