Ralph and his sister each bought a pretzel. If they paid with a $20 bill, how much change should they have gotten back? A
$6

B
$12

C
$14

D
$24

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

How can you construct perpendicular lines and prove theorems about perpendicular lines

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