50 POINTS In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (2, -1) (3, 0.5) (6, 1.5) (9, 2)

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

See attachment below and find the equivalent of tan(∠qsr)

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =