The ratio of raisins to oatmeal cookie dough in a mixture is 2:5. Which of the following best describes the amount of raisins and oatmeal cookie dough in the mixture? (3 points) O For every 2 cups of raisins, there of are 5 cups of oatmeal cookie dough.
• For every 2 cups 2 of raisins, there are 3 cups of oatmeal cookie dough.
O For every cups of raisins, there are 2 cups of oatmeal cookie dough.
O For every 7 cups of raisins, there are 2 cups of oatmeal cookie dough.

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

When rolling 26 sided number cube what are the chances some of the role will be seven

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?