Graph on a coordinate plane each set of (x, y) values. Which set of values describes two quantities that are in a proportional relationship? A) (2, 7)(0, 2)(3, 9) B) (1, 5)(2, 7)(3, 9) C) (4, 9)(2, 4.5)(0, 0) D) (1, 3.5)(0, 1)(2, 6)

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36