Letter D is the answer 2787.64 yd^3
Choices A, C and F work. This is because when in radical form, you may dive or subtract as long as you keep the sign. The square root of 9 is 3 and the square root of 4 is 2. When you solve it, the answer is 6. Hope this helped!
It’s B the answer is -3 and 4+(-7) is equivalent
The correct answer is 35.2 because when you arrange them in order from least to greatest, the middle is 35.2