What is the value of k in the following equation?
12+k/22=13

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?