Answer:
oh expressions are numbers that represent variables
Answer: y=-2
Step-by-step explanation: y=-2 is a horizontal line containing the points (2,-2) and (0,-2).
Answer:
Answer is x = -1
Step-by-step explanation:
Answer:
For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged; and understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative.