Solve:

r
5
- 6 = -1
a) r = 1
b) r = 5
c) r = 10
d) r = 25

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.

What is the value of x in the this question ?

What is negative 3/9 times negative 2/8 ?