Which size is better in buying crackers: 12 oz for $2.59 16 oz for $2.19

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2