Answer:

Step-by-step explanation:
4-8 = -4
Thus, the answer is - 4/3
Answer:
I'm not sure if it is correct but i hope it helps you
Step-by-step explanation:
So you subtract 25 and 15 and you will get 10
then you add 65 and 5 and you will get 70
you add 45 and 20 and you will get 65
I think
sqrt 7x^2 - 7*sqrt 49x
x sqrt7 - 7 (7) sqrtx
x sqrt7 - 49 sqrtx
500/20 = 25kcal per piece
8 * 25 = 200kcal.....yes, he is able to have 8 pieces