$40-$10=$30, so Betty spent $30 on the 12 packets of popcorn. This means that we need to share the $30 by 12 to find out how much each packet had cost. $30÷12=$2.50. Therefore, your answer is $2.50.
23. If M' represents the complementary, then is the answer A.
24. The answer is C.
... I don’t either... hold on lemme try I will be back soon I’m doing the problem
(1,4) this is because the flip over y axis does not touch the y value but gives the opposite of the x value
