Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. Minimum=12, Maximum =55, classes = 7

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

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

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4