The market bought grapes for $0.87 a pound and sold them for $1.09 a pound. what is the percent of increase rounded to the nearest tenth?
a. 20.2%
b. 25.3%
c. 22.0%
d. 22.1%

Which expression is equivalent to 2x^2+7x+4?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.