If we apply a scale factor of 3 to a cube where each side is 2 inches long, what will the volume of the new cube be?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years