Which sentence is punctuated correctly? Sera was embarrassed by the overt use of power, however she remained calm. Sera was embarrassed by the overt use of power, however, she remained calm. Sera was embarrassed by the overt use of power; however, she remained calm. Sera was embarrassed by the overt use of power however she remained calm.​

The pizza delivery boy was neither early nor late he was right on time. question 12 options: (a)correct as it is (b)the pizza delivery boy was neither early nor late, he was right on time. (c)the pizza delivery boy was neither early nor late; and he was right on time. (d)the pizza delivery boy was neither early nor late: he was right on time.