Which would be a good estimate for the tax on $97.95 if the tax is 9.5%? $12$10.50$10$8.50

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Find the midpoint m of z1=(8+5i) and z2=(12+3i)