Which expression is equivalent to
−
10
w
−
15.5
?

John bought 2 horses at rs 20000 each

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.

Asap! i'm not good math and i'm lost.