I'm so lost please help Suppose five cards are drawn from a standard deck of cards. Three are red and two are black. How many possibilities are there for this hand?

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.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Write and solve a real word problem that involves determining distance on a coordinate plane