Which ratios are proportional to 14: 21? choose all the answers that are correct
a. 2: 3
b.3: 2
c.28: 63
d.56: 84

Akite is being flown at a 45 angle. the string of the kite is 120 feet long. how high is the kite above the point at which the string is held?

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? )

Use sigma notation to represent the following series for 9 terms.