Answer:
12s + 8 + 3st
Step-by-step explanation:
Combine like terms:
8s + 4s = 12s
8
3sr
Answer: A. -4
Step-by-step explanation:
6/((-4)^2-9)-(1/-4-3)= 6/7+1/7=1
9/10 is .9
51 subtracted by 6 is 45
45 multiplied by .9 is 50
.9 multiplied by 50 is 45
45 plus 6 is 51
So you missing number would be 50.
Hope this helps!