Hello!
You can only combine numbers with the same variable
4r - 16r = -12r
5s + 3s = 8s
The answer is -12r + 8s
Hope this helps!
Is it a multiple choice question? I mean, 10/80?..
Yes a factor is less then the number and the multiple it greater, for example 6 a multiple is 12,24, and so on...
The interquartile range (IQR) can be found by finding the difference of the upper and lower quartiles
Answer:
the answer to the question is -16