D, because 9 3/4 and -9 3/4 cancel out to 0, which is the additive inverse property.
Diameter is 12. Diameter is radius times 2. 6 times 2=12
Answer:
8 hours
Step-by-step explanation:
231/11=$21 an hr
168/21=8hrs
Find attached solution.
With Rough Work by the right hand side.
Note that when you carry out the division, you then multiply out with the divisor, (y-3)
I hope this helps.