Quadrilateral ABCD has vertices at A(-2,1) , B(7,7) , C(3,-1) , and D(-6,-7) . a) Prove that ABCD is a parallelogram.

b) Prove that the diagonals of ABCD are not perpendicular.

Question 5 spring semester final exam math evaluate

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2