It’s called integers which is the spectrum of positive and negative number the answer to that would be negative five written -5
#b. The equation y = 50x + 200 represents the total cost that the contractor will charge for x hours of work.
#c. (1, 250); (2, 300); (3, 350)
So there’s no actual question because you didn’t attach anything
You check if it is even and that the sum of the digits is divisible by 3. That's the divisibility rule of 6.
