Help pls I need these labeled Classify the following system of Linear Equations as No Solution, Many Solutions, or one solution

How do you convert 1.27 to a percentage

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months