Perform the operation and write the result in the standard form.(6 - 2i) + (1 + 8i)
A. -7 + 6i
B. 7 + 6i
C. 7 - 6i
D. -7 - 6i
Answer: B
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Solve the system of equations.7x + 7y + z = 1 x + 8y + 8z = 89x + y + 9z = 9
A. (0, 0, 1) B. (-1, 1, 1) C. (1, -1, 1) D. (0, 1, 0)
Solve the problem. Round to the nearest cent.When Jackie was born, her grandparents deposited $2,000 into a saving account for her college education, earning an APR of 7
% compounding monthly. a. How much will be in the account when Jackie is eighteen?b. If Jackie makes arrangements to be paid the monthly interest when she turns eighteen, how much will she receive a month?
A. a. $7730.53, b. $85.89 B. a. $7682.51, b. $48.02 C. a. $4910.02, b. $30.69 D. a. $2237.36, b. $13.98
Solve.Manuel had $1394.92 in his checking account. He wrote checks of $28.63, $40.05, and $121.76 to pay some bills. He then deposited a paycheck of $814.11. How much is in his account after these changes?
A. $2033.70 B. $2399.47 C. $2018.59 D. $390.37
Solve the equation.10y = 3y + 6 + 6y
A. -60 B. 6 C. 60 D. -6