2,3,and4 is 72
1 and 5 is 36
Answer:

Step-by-step explanation:
I suggest looking lessons on it online if you don't understand... It's hard to do your work especially if you don't understand it. Or if your online, go to past lessons or something.
Answer:
12,600
Step-by-step explanation:
1/3 = 4/12
1/4 = 3/12
Together they equal 7/12
The different is 5/12
5/12 = .416666 =.42
.42 x 30,000 = 12,600
Answer:
-3,8 -2,10 2,9 1,3
Step-by-step explanation:
add two to the y and seven to x
If x = 1 the the answer would be <span>2.01715045524.</span>