Situation 1: Kayla has $30 to spend on yogurt. She spends a total of $6 each day on yogurt. In situation 1, which role models the total amount that Kayla has left to spend on yogurt(c) as A function of the number of days (d)? A).c=30-6d
B).c=30+ 6d
C).d=30-6c
D).c=6d-30

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

What is the rate for one gallon of gasoline