2/5 of janet's class prefers chocolate ice cream and 2/5 prefers vanilla ice cream. what part of the class prefers chocolate or vanilla ice cream? a. 0/5 b. 4/10 c. 2/5 d. 4/5

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

If value of cos330° is √3/2 then find tan165°.

One of the solutions to x2 - 2x – 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5