I only know D. but I'll try to figure out the rest too. D. 9 years old
1. Write out the problem: 3x+12/3
2. Find the common factor: 3(x+4)/3
3. Cancel out the threes.
4. Once you cancel them out you get: x+4
Hope I could help. Have a great day!:-)))
When integers have the same sign and you add them together the sum will have the same sign
7 + 5 = 13
-7 + (-5) = -13
Step-by-step explanation:
The number of people to paint the bridge is inversely proportional to the number of hours it takes.
(If there are more people, it will take less time etc.)
9 people can paint the bridge in 5 hours.
=> 2 people can paint the bridge in 5 * (9/2) = 22.5 hours.
Answer: The answer is spinner B. There are 8 sections on the spinner and 4 of them have letter A, so P(A)= 1/2.
