Which of the following ordered pair(s) is/are solutions to the following system of equations?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Determine which postulate or theorem can be used to prove that lmn =nmo

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?