Answer:
98 or 105
Step-by-step explanation:
Answer:
143
Step-by-step explanation:
Substitute n=3 into the problem
6(
)-2(
) +3-4
Then figure out squared and power by 3
6(27)-2(9)+3-4
Next multiply
162-18+3-4
Finally, add and subtract
144+3=147
147-4=143
Answer:
Option C
Step-by-step explanation:
same logic as in 2D problems. if C wasn't true, then the two planes couldn't be parallel