Answer: OPTION B
Step-by-step explanation:
The equation of a line that passes through the origin is the following:

Where "m" is the slope of the line.
By definition, Proportional relationships have the following form:

Where "k" is the Constant of proportionality.
Then, as you can notice, if you graph a Proportional relationship you will get a line that passes through the origin.
Therefore, based on the explained above, you can conclude that the option that shows a function that represents a Proportional relationship is the Option B.
Then, this is:

Answer:
Step-by-step explanation:
4/(2+12)
=4/14
=2/7
=0.2857
Answer:
10
Step-by-step explanation:
PQ/QR = ST/TR
17.5/QR = 7/4
QR = (17.5 x 4)/7
QR = 70/7
QR = 10
It had a 150% increase in price
100* 1.5 = 150
150+100 = 250
Answer:
The answer is option (D). 4+b=16;b=12 more books
Step-by-step explanation:
Step 1: Derive expression for total number of books to be read
The expression for the total number of books to be read is;
T=a+b.... equation 1
where;
T=total number of books to be read
a=total number of books already read
b=number of books not read
In our case;
T=16 books
a=4 books
b=unknown
replacing;
16=4+b
4+b=16...equation 2
solving;
b=16-4
b=12
You need to read 12 more books to reach your target