Answer:
8 + 18+ 28+ 38+ 48= 140
Step-by-step explanation:
I agree with you on this problem. It is A. If that is the final answer, the negative exponent must be flipped in order to be positive. According to the equation, it is not positive so it is not a simpflied polynomial.
1/2 ÷ -3/7 = -7/6 The answer is -7/6
You need to show what a and b are plz