*need asap* can you guys me with these? + 3(-12) ÷ (-3) 2.)if f( n ) = n 2 - n , then f(-4) is - 12 - (-20) 4.)evaluate -2 x 2y , if x = -3 and y = -1.

C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false

32a³b² 8ab² simplify the following expression.

What is the measure of enter your answer in the box.