Answer: 4
Step-by-step explanation:
1 + 3 = 4. this has gotta be one of the hardest questions i've had to answer on this site
It really depends on what kind of problem. like if you are doing a word problem or whatever than you should read the question a couple times, underline key words, DECIDE which operation to use, refer to the question and see if it makes sense. Hope I helped :)
Answer:
um 6 times 1.90 = 11.4 hope this helpssssssssssss piece
Step-by-step explanation:
Answer:

Step-by-step explanation:
Factor out the common terms, and get: 
Factor
, and get: 
<em>Hope this helps!!</em>