Solve using the Quadratic Formula 4x2 - 2x 54 = -12
x = 3.93,-3.43
x = -3.93, 3.43
x = 3.5, -3
x = -3.5, 3

12cm

the answer is d

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

40 x 50 = 2000

step-by-step explanation:

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.