For which values of a, b, and c can you not use the quadratic formula?
A. a=-1, b = -1,c=0
B. a=-1, b =-1,c = -1
c. a = 0,b=-1,c=-1
D. a=-1, b = 0,C=0

How far is x from 5 on a number line?

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

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?