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15. [-/1 Points] DETAILS WANEFMAC7 7.2.015. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER If n(A) = 40, n(B) = 16, and n(A n B) = 1, find n(A U B). Need Help? Read It Watch It 16. [-/1 Points] DETAILS WANEFMAC7 3.2.011. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Calculate the present value PV of an investment that will be worth $1,000 at the stated interest rate after the stated amount of time. HINT [See Quick Example 4.] (Round your answer to the nearest cent.) 7 years, at 3% per year, compounded annually PV = $20. [48 Points] DETAILS WANEFMAC? 7.2.058. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Athletics Of the 4,600 students at Medium Suburban College {NSC}, 50 play collegiate soccer, 60 play collegiate lacrosse, and 96 play collegiate football. Only 4 students play both collegiate soccer and lacrosse, 8 play collegiate soccer and football, and 14 play collegiate lacrosse and football. No students play all three sports. (a) Soive the Venn diagram. Figu re Description Lacrosse (b) Complete the following sentence. [:] % of the college soccer players also play one of the other two sports at the collegiate level. Need Help? 4...: 21. [!1 Points] DETAILS WAN EFMAC? 3.3.009. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the periodic payments PMT necessary to accumulate the given amount in an annuity account. (Assume end-ofperiod deposits and compounding at the same intervals as deposits. Round your answer to the nearest cent.) $35,000 in a fund paying 2% per year, with quarterly payments for 20 years We