Me answer this:
a fireman is halfway up a ladder. he goes down 4 steps to get the hose and then climbs 15 steps. when he stops climbing, there are 3 more steps before the last step of the ladder. how many steps does the ladder have?

What is this equation in point-slope form?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?