Answer:
1.A. 88.89
2.B.6.3%
3.C.64.92%
Step-by-step explanation:
1.
to covert it into percentage multiply it with 100
then it becomes 88.888
rounding off to the nearest hundred it becomes 88.89
2. to convert into percentage multiply it with 100
therefore 0.063×100=6.3%
3. to find percentage
%= (no of students using mobile / total no of students )× 100
=
×100
=64.918
Rounding off to nearest hundred it becomes 64.92%
X less 16.5 as it implies that 16.5 is being reduced from x
Answer:

Step-by-step explanation:
Given

Perpendicular to 
Required
Determine the line equation
An equation has the form

Where

By comparison with 

Because the line is perpendicular to
, the following relationship exists
i.e. the condition for perpendicularity
Where m1 is the slope of the equation that passes through 
So, we have:


The line equation is then calculated using:

Where


So, we have:


Add 11 to both sides



<em>The B, C and D parts of your question are not clear.</em>
<em>Apply the same steps used in (a) above and you'll get your answers</em>
Answer:
21a^11b^3
Step-by-step explanation:
let me know if this is right
We can factorize abcabc as
abcabc = abc000 + abc
abcabc = abc (1000 + 1)
abcabc = abc × 1001
abcabc = abc × 7 × 11 × 13
so naturally each of 7, 11, and 13 must divide abcabc.