A ramp 12 metres long makes an angle of 15° with the ground. What is the height of the ramp? If the ramp is doubled in length, what will the total height be?

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?

What is the value of x in the equation7x+2y=48 when y=3

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second