Jenny White is shopping for CDs. She decides to purchase 3 movie soundtracks. The music store has 7 different movie soundtracks in stock. How many different selections of movie soundtracks are possible?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?