What is the value of the correlation coefficient r of the data set? Scatter Plot Correlation Data Table

−0.81

−1

0.66

0.81

What are the sotions to the quadratic equation 9x^2=4

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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