The measures of the angles of a triangle are shown below. Find the value of x. 81°, 80°, x°

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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 ?