Answer:
D: -86.156
F: -3
Explanation:
D: Convert Mixed numbers to improper fractions then remove the parenthesis and multiply the fractions. Next you have to multiply the numbers then again multiply the fractions. And once more you Multiply the numbers and finally you have to divide the numbers to get your answer.
F: Convert mixed numbers to improper fractions then cancel out whats not needed Which also means cross-cancel common factor: 4 then apply the rule a(-b)=-ab. Then again you cross-cancel common factor: 2 then last for this you will divide to get your answer.