Jeremys car travels 26 miles per gallon of gas (g). if the distanced traveled(d) can be given by a function what is the input of this function

Can (2,3 and square root 10) be sides ona right triangle?

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?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.