Question

I REALLY NEED HELP THIS IS DUE TODAY AND IT'S 1:57 PLEASE HELP!!!!
-6 X ?= -18
-2 x ? = 20
-? x -10=-70
-7 x ?= -28
-? x -7= 49
-3 x ? =21

Answer 1

I'm not so sure about no.3 bcoz you multiply two negatives to get a negative product.