28. multiply 12 by 5 =-60
29. divide 39 by 3 = 13
30.divide 15 by 4 = 3.75
31. multiply 2 by 10 = -20
Answer:
C. 150
Step-by-step explanation:
It's right on Plato.
Answer:
The correct polynomial is F. Calculation errors combining h terms and distributing -1.
Step-by-step explanation:



Consecutive integers are 1 away from each other therefor they are
x,x+1,x+2
they add to1623
so
x+x+1+x+2=1623 is equation
(fyi 540,541,542 are the numbes)