A school has 617 students. Each class has between 28 and 32 students. Which is the best esimate of the number of classes in the school? A 14 classes
B 20 classes
C 30 classes
D 60 classes

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

What is the slope of the line that contains the points (-2,1) and (0,-3)

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189