A carpenter makes bookshelves. He is studying how much money he can earn in one year. Choose the three variables that are most important for him to study.
A. the weight of each bookshelf
B. the cost of building a bookshelf
C. the dimensions of each bookshelf
D. the time it takes to build each bookshelf
E, the price customers will pay for a bookshelf
J
F. the number of different designs he can build

its b

step-by-step explanation:

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.

umm im not really sure because i never had to do this

step-by-step explanation:

zero

step-by-step explanation:

f(2)= x-2

plug in the 2 in the "x"

f(2)=2-2

f(2)=0