Complements are numbers that add 90. Since one is 57, the other has to add to 57. So 33 would add with 57 to get 90.
A, because 59-56= 3.
Others are distributed on a larger scale. 11-6=5 for B, 6-0=6 for C, 8-1=7 for D
Answer:
Step-by-step explanation:
4x+2y<3
y<-2x + 
Answer:
20=-1
60=-3
100=-5
240=-12
Step-by-step explanation:
divide time and depth by 20
I'm assuming this is what they want? haha