Write an expression to describe a rule for the sequence then find the hundredth term in the sequence 5,13,21,29,37,45..plz hurry

Select the lengths in centimeters that would form a right triangle

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?