Kwans beginning account balance was $20. his ending balance is $0. what integer represents the change in his account balance from beginning to end?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

Plz hurry evaluate the expression a+b where a=8 and b=19

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?