Can you use the converse of the Pythagorean theorem to determine if a triangle is a right triangle?

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

What is the slope of the line (-7,2) (4,6)