Se tiene un triangulo cuyos lados miden 1.2cm 1.3cm 0.5cm ¿es un triangulo rectángulo?

Me asap! what is the slope of this line? enter your answer in the box.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?