which of these story problems describes the sum 19 + (-12)? check all that apply. show your work to justify your answer.
1
2. is the right answer
3
Answer:
Step-by-step explanation
You need to multiply the bottom equation with -3. Then you just add both equations.
4-9 because (4-3)-6 is -5 and 4-9 is also -5
Answer:
D
Step-by-step explanation:
the second 3 (from the left) is in the hundreds place so we look at the 1st 7 (from the left) to determine how to round
since 7 is 5 or greater, we round the 3 to a 4
3400
Choice D
