10. You want to buy popcorn at your local movie theatre and it costs $8.00. If the theatre has a 10% discount on popcorn, what will be the discount amount?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

What are the domain and range of the function f(x)=2^x+1