Answer: -6 -2
Step-by-step explanation:
Answer:
4x^4-2
Step-by-step explanation:

Hope this helps!
Answer:
A
Step-by-step explanation:
Hope it helps!
Answer:
9.8t
Step-by-step explanation:
3.9t + 5.9t = 9.8t
It should be the multiplication first remember PEMDAS. Parenthesis, Exponent, Multiplication, Division, Addition and Subtraction. So Letter D is the answer.