Find the coordinates of the circumcenter of triangle ABC with vertices A(-4,5) B(-2,5) and C(-2,-2)

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?