Answer:

Step-by-step explanation:
<em>See attachment for number line</em>
From the attachment, we have the following details:
The first shade of blue covered 10 blocks
The second shade of blue covered 5 further blocks which totaled to 15
So, the fraction of the blue blocks is:

Divide fraction by 5/5


Also from the attachment:
The shaded block stopped at the fraction:

So, the expression that represents this scenario is:


<em>Option (c) answers the question</em>
Answer:
*see graph below*
Step-by-step explanation:
y = mx + b
m = slope (rise over run)
b = y-intercept
Corresponding with the given equation, the graph below has a y-intercept of 5, and a slope of
or 2.
X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
Answer:

Step-by-step explanation:
Combine the opposite terms in r − 3 − r
.
Answer:
45
Step-by-step explanation:
n/15=30
therefore n=450
hence n/10 = 45