Your teacher said you could use notes cards on the test. You studied and wrote seven note cards. On the day of the test your teacher said you can only use three note cards.
How many different sets of three note cards can you choose between?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?