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Assuming that you invest $10,000 in the U.S., how long (to the nearest year) must you wait before your investment is worth $18,000 if the interest of 5.3% is compounded annually? For the answer I ended up with 18000 = 10000(.015)^-.096546. The problem is I don't know how to translate -.096546...

Two fraternities, Sig Ep and Ep Sig, plan to raise money jointly to benefit homeless people on Long Island. They will sell Yoda vs. Alien T-shirts in the student center, but are not sure how much to charge. Sig Ep treasurer Augustus recalls that they once sold 80 shirts in a week at $8 per...

Sketch the graph of the quadratic function, indicating the coordinates of the vertex, the y-intercept and the x-intercepts (if any). f(x) = x^2 - 70x - 800 x-intercepts (Enter solutions from smallest to largest. If there are any unused answer boxes, enter NONE in the last boxes.) x = ______ x...