Well this seems easy enough well if the tree was cut 8 feet abouve the base and the tip is 10 feet away from the base wouldn't that make the part of the tree that was cut 10 feet away since it's 10 feet from the base which is 0 on a plane grid?
1.
a. 60kg, 60g, 60cg, 60mg
b. 60mg, 60 cg, 60g, 60kg
2.
a. 7000m, 70m, 7m, 0.7m
b 0.7m, 7m, 70m, 7000m
3.
a. 20 daL, 400 ml, 60 L, 5cL
b. 5 cL, 60 L, 400 ml, 20 daL
hope this helps :)
You would substitute all x's with the number 30, so the answer would be f(30)=-1 or y=-1
