John, twelve years old, is three times as old as his brother. how old will john be when he is twice as old as his brother

Samir incorrectly found the distance between - 17 and 4 by following these steps: Step 1: |4 - (-17) | Step 2: |4 + 17| Step 3: |21| Step 4: The distance between - 17 and 4 is - 21.

An ultra-low flush toilet uses 1.6 gallons every time it is flushed. What is the pattern that describes the total water used after n flushes? How many gallons have been used after 10 flushes?

Ray has 25$ to spend and used $18 to buy a new DVD. Which integer best represents the situation of spending $18

The mean of the data set is 40 and one standard deviation is 5. About what percent of the numbers fall between 35 and 50?

Product of 5 and y added to 3

If you were to roll the dice one time what is the probability it will land on 4

Bruce has a job that pays 92,000 per year. How much will she pay in social security taxes? (Social security taxes are 6.2% of earnings)

The table below shows the proportional relationship between the weight of cereal, in ounces, and the number of packs of cereal: Number of Packs of Cereal Number of Ounces of Cereal 3 39 4 52 5 6 What is the constant of proportionality? 13 39 42 78

Find the quotient of 63.49 divided by 7.1, round to the nearest hundred

What is the slope of a line that is parallel to the line y = 3/4x + 2?