The number of bacteria present in a culture after t minutes is given as B=1000e^k, where k is a constant. If there are 8520 bacteria present after 15 minutes, find k and round to the nearest thousandth.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Which of the following represents the length of a diagonal of this trapezoid?