-3(10+18z)-14z simplified

-30-68z

Step-by-step explanation:

-3 times 10 is -30 and -3 times 18z is 54z when you put that together you get -30-54z-14z when you subtract 14 from -54 you get -68 giving you -30-68z

is this a multiple choice question?

if so it's a and c

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.