Ajar contains 8 red marbles, 10 blue ones, and red blue yellow 2 yellow ones. one marble is chosen at random. the color is recorded in the table, and then it is 14 returned to the jar. this is repeated 40 times. 19. communicate mathematical ideas use proportional reasoning to explain how you know that for each color, the theoretical and experimental probabilities are not the same.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account