We are given that a force of 40 n is exerted at an angle of 39°. therefore, the force vector f can be represented as the hypotenuse of a right triangle with an acute angle 39°. the length of the hypotenuse would be

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers