Given that on one section of the sat the mean is 500 and the standard deviation is 100, what is the approximate probability of selecting a student whose score is 400 or lower followed by selecting a student whose score is 600 or higher on the test?

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.