3/13, 4/13, 5/13 does this add up to a right triangle? and why or why not?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?