I need help please, I'm a little confused

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

How do you summarize data in a two-way frequency table?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x