What expression is equivalent to x2 - 49? OA (x - 72
O B. (x + 7)2
OC. (x+7)(x-7)
D. (x+7)(7 - x)

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x