find the mass and center of mass of a wire in the shape of the helix x = t, y = 7 cos(t), z = 7 sin(t), 0 ≤ t ≤ 2, if the density at any point is equal to the square of the distance from the origin.

Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?

Subsidized stafford loans: a. accrue interest while the student is enrolled full-time in school. b. are paid by the government. c. are paid by your parents. d. accrue interest 10 years after graduation.

Name and describe how to implement one method of embellishment.