Answer:
I don't think I can remember every skill I was taught through the years but in Kindergarten we used Number Sense so we could understand the meaning of more and less also there's estimation and PEMDAS. I've also learned how to round up so that the solution is at least around those numbers if the skill is to be applied.
hope that helps
Step-by-step explanation:
Answer: -7920
Step-by-step explanation: 33x-6x40= -7920
Answer:
2x + 4y = 14 = x= −2y+7
3x - 4y = -39= x= 4=3
y−13
Step-by-step explanation:
Answer:
Step-by-step explanation:
its me dababy ye ye
Answer:
The second one. The -2y should have been +2y
Step-by-step explanation:
a negative multiplied by a negative gives you a positive