5c squared- d squared+3/2c - = -1. d= -4

For this case we have the following expression:

We must find the value of the expression when:

Substituting we have:

Finally, the value of the expression is:

40% off the regular price is the correct answer.

step-by-step explanation:

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.