In the parallelogram ABCD, the coordinates of A are (7,3) and of C are (5,-1). What are the coordinates of the intersection of the diagonals?

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.