How to determine if a side length represents a right triangle?

What property describe the number sentence 6 plus 0 equal 6

A hot air balloon rose from ground level to 1000 feet in order to pass over a mountain. The balloon then descended 800 feet to a cruising height.

The ages of students in a computer class are 14, 13, 14,15,14,35,14. Decide which measure of center (s) best describes the data set. Explain your reasoning

If I run 1/8 of a mile 24 times. How many miles did I run

Each calendar will sell for $5.00 each write a equation to model the total income, y, for selling c calendars

Cathy earns $13.50 per hour for the first 40 hours worked in a week and $20.25 per hour for hours over 40. If she earns $661.50 one week.

Tell which property is being illustrated. 13 + (29+7) = 13 + (7+29)

8$ of 25$ earned as profit what is the percentage

Which of the following is equiangular and equilateral? A. rhombus B. square C. rectangle D. parallelogram

Ryan works mowing lawns and babysitting. He earns $8.20 an hour for mowing and $7.70 an hour for babysitting. How much will he earn for 3 hours of mowing and 7hours of babysitting?