Woman walks due west on the deck of a ship at 3 mi/h. the ship is moving north at a speed of 19 mi/h. find the speed and direction of the woman relative to the surface of the water. (round your answers to one decimal place.)

1.speed: 19.24 mi/h correct: your answer is correct.
2.direction: n ?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?