Perform the indicated operation. (7x4 + 11x3 – x2 – 8x + 6) – (-12x4 + 9x2 – 15) a) -5x4 + 11x3 + 8x2 – 8x – 9 b) 19x4 + 11x3 – 10x2 – 8x + 21 c) 5x4 + 2x3 + 14x2 – 8x + 6 d) -19x4 – 2x3 – 8x2 – x + 9

Cynthia is a hospitality worker in the lodging industry who prefers to cater to small groups of people. she might want to open a

How much are you willing to pay for a zero that matures in 10 years, has a face value of $1,000 and your required rate of return is 7%? round to the nearest cent. do not include a dollar sign in your answer. (i.e. if your answer is $432.51, then type 432.51 without $ sign)

You want to have $80,000 in your savings account 11 years from now, and you’re prepared to make equal annual deposits into the account at the end of each year. if the account pays 6.30 percent interest, what amount must you deposit each year? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)