Which of the binomials below is a
factor of this trinomial?
x^2 - x - 42
a. x +7
b. x+84
c. x-7
d. x^2 + 12

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?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Ithink i know it but i want to be sure so can you me out ?