The sum of the digits of a two-digit number is 12. If the number is multiplied by 3, the result is 144. Write and solve a system of equations. Find the number.

Rename mixed numbers before you can subtract are what

If the measure of xyz is 81 what is the measure of yz

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%