Evaluate each expression if: a = 5, b = 3, and c = 4.
4) 6a-4b5)
I

-30

Step-by-step explanation:

Simply substitute the values in for the variables:

6(5) - 4(3)(5)   ~ parentheses indicate multiplication in this case

30 - 60 = -30

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.