**Answer:**

HI ITS NOT AB BECUSAEW SHE IS NOT HERE TODAY

**Step-by-step explanation:**

D. 11.75 + 3.299 + 5.31 + 6.27

Step-by-step explanation:

11.75 would round up to 12, 3.299 would round down to 3, 5.31 would round down to 5 and 6.27 would round down to 6

In an equilateral triangle (all sides and anges are equal)

angles are 60 degrees each

**Answer:45 miles in one hour. You take the total of 315 and divide that by the 7 hours and that gives you how much is in the one hours**

**Step-by-step explanation: hope this yu this the best answer**