Final Exam Review

Front

A diver is located 150 feet below sea level. The diver descends 30 feet. What is the diver's new location?

Back

180 feet below sea level

Front

At midnight, the temperature was 30 degrees. By 6:00 a.m, it had dropped 5 degrees, and by noon, it had increased by 11 degrees. What was the temperature at noon?

Back

36 degrees

Front

A clothes shop has a 40% off sale. The cost of a dress is regularly priced $29.99. How much will you pay for the dress that is on sale?

Back

$17.99

Front

Money in your checking account increases by 2% each year. How much money will be in the account after the initial amount of $250?

Back

$255

Front

What is the constant of proportionality for this table?

Back

9

Front

Define 'constant of proportionality'.

Back

The constant of proportionality is the constant value of the ratio of two proportional quantities x and y.

Front

What is the formula for calculating percentage?

Back

Percentage = (Part/Whole) x 100

Front

Explain how to find the new temperature after a change.

Back

To find the new temperature, add or subtract the change from the initial temperature.

Front

What does it mean to be 'below sea level'?

Back

Being below sea level means that the location is at a depth lower than the average level of the ocean.

Front

How do you calculate a discount on an item?

Back

Discount = Original Price x Discount Rate.