Answer:-18xy+2x-13y
Step-by-step explanation: combine like terms
Answer: if the width was not effected then the width is still 24 inches
if the area stayed the same, then
find area
area=legnth times width
288=12 times 24
so the new height./legnth =2
288=2 times width
divide by 2
144=width'
the new width =144
Answer:
The answer is 1/27
Step-by-step explanation:
3^-3 can be written as 1/3^3 and 3^3 = 3x3x3= 27
Therefore, the answer is 1/27.
The new mean age will be greater than 14.2 years because the teacher is older than the previous mean.
For this case we must simplify the following expression:

We convert the mixed number to an improper fraction:

So, by rewriting we have:


Answer:
