I believe its E because you add the fractions together and 12 is alone so yeah... hope this helps
That's a quadratic equation in

, which means we get an extra square root and

at the end.

We factor,


Answer:
66
Step-by-step explanation:
12(8)-9(8-6)-(12-9)(8)÷2=96-18-12 or 6(9)+(12-9)(8)/2=54+12
= 66 =66
Answer:
912.9 miles total
Step-by-step explanation:
75.4 miles biking x 8 times = 603.2 miles in biking
22.4 miles running x 3 days = 67.2 miles in running
27.5 miles running x 5 days = 137.5 miles running (2nd)
15 miles swimming x 7 days = 105 miles swimming
603.2+67.2+137.5+105 =
912.9 miles total