What is the probability the spinner will land on a parallelogram? A) 5/8
B) 1/4
C) 1/2
D) 3/4

Which best explains why this triangle is or is not a right triangle?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0