A bag contains 4 yellow, 2 red, and 6 green marbles. Two marbles are drawn. The first is replaced before the second is drawn. A random variable assigns the number of red marbles to each outcome. Calculate the expected value of the random
variable.

A) 0.67
B) 0.56
C) 0.17
D) 0.33

Find the values of the variables in the kite

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²