Find the work done by the force field f(x, y, z) = x − y 2, y − z2, z − x2 on a particle that moves along the line segment from (0, 0, 1) to (3, 1, 0).

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.