Parallelogram area question

again, confused by the diagram.

find the area of the parallelogram

options:

264 ft^2
65 ft^2
286 ft^2
110 ft^2

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =