Abag contains 4 oranges, 3 grapefruits, and 8 tangerines. a piece of fruit is chosen from the bag at random. what is the probability that a grapefruit is not chosen?
a.1/5
b.1/4
c.3/4
d.4/5

Tan198=asin164=? how to solve this? ?

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample