Select all the correct tables. This table gives information on types of rooms occupied at a hotel in a day.

King Bed Queen Bed
Mountain View 25 18
Ocean View 12 20

Identify the tables that represent the relative frequencies of this data by rows or by columns. Round your answers to the nearest hundredth.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

What is the value of f(x) = 2.2 for f(-2)?

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.