8. (~Ch16 Review #10). Find the work done by the field F(x, y, z) = < z, x, y > a) along the straight line from (2,1,0) to (0,0,2). b) along the curve < 2 cos(t), cos(t), 2 sin(t) > from (2,1,0) to (0,0,2). c) Is this vector field conservative? How do you know?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Which of the following is an example of conditional probability