One third of the opposite of a number is less than 12.
A number increased by 5 is less than 7.

Ten less than a number is more than 30.

Two more than 5 times a number is greater that or equal to 3

Six less that two times a number is no more than 17.

Ashley took $20 out of her savings account each week on Friday. How many weeks ago did she have at least $250 in her account?

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.