Clark wants to figure how many pens to order for the office. there are 24 workers, and he needs to order one pen for each worker. he knows that for every eight people who prefer red, there are four people that prefer blue. so how many blue pens should he order?

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?

3x + 4y = 5 x- 3y = -7 solve by substitution

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2