In the figure shown below, what is the length of XY ?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?