Find the midpoint M of the line segment joining the points P = (4, -7) and Q = (-8, -3). M =(,)

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?