Which is the better buy 31 once bottle of katchup for $2.53 Or a 64 once bottle for $5.05

What is the value of the expression "two less than six times the diffrence of a number and five" when n = 9?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?