Answer:
B (12)
Step-by-step explanation:
The expression can be written as the following:
(2n)(n-1)
Let n=3
(2*3)(3-1)=(6)(2)=12
So the answer is B (12).
Answer:
18.0 (use 18 if 18.0 is not an answer choice)
Step-by-step explanation:
15²+10²=225+100 = 325
√325 = 18.028 or 18.0 (use 18 if 18.0 is not an answer choice)
Answer:21
Step-by-step explanation:
Answer:
.5 pounds
Step-by-step explanation:
3 divided by 6 is .5
2-(-x+5)
2+x-5
x-3
I decided to included the steps just in case you needed them
