Refer to the article “From Barter to Bitcoin” in your Money, Money, Money magazine for a complete version of this text.

Based on the information in “From Barter to Bitcoin,” why are many people wary of using bitcoin?

A) Unlike other currency, its value changes frequently and dramatically.
B) As opposed to paper money, it has only been in use since 2009.
C) Unlike most currency, its form is digital, so it does not seem real.
D) While there is only one type of credit, it is only one of more than 3,000 cryptocurrencies.

step-by-step explanation:

we are given a graph for system of inequalities.

in order to write the system of inequalities for the given graph, we need to find the inequality for each of the line separately.

let us find the slope of dotted line first.

taking two coordinates on the graph.

let us say (0,0) and (3,1).

let us find the slope of the line now.

slope of the dotted line would be =.

y-intercept of dotted line is y=0 only.

plugging slope m= and b=0 in slope-intercept form y=mx+b, we get

.

the line is shaded up of that dotted line.

therefore, for shading up we would take greater than inequality symbol > .

and because it's a dotted line we would take only > symbol in place of = sign in above equation of line.

therefore, inequality for dotted line would be

let us take two points (3,1) and (0,4) on the solid line.

slope of the solid line would be =.

for the solid line we have y-intercept b= 4.

plugging slope m= -1 and b=4 in slope-intercept form y=mx+b, we get

y = -1x + 4.

the line is shaded down of that solid line.

therefore, for shading down we would take less than inequality symbol < .

and because it's a solid line we would take ≤ symbol in place of = sign in above equation of line.

therefore, inequality for solid line would be

1k

step-by-step explanation:

-6k+7k

(-6+7)k

1k

the answer is  

c.

14,469 cubic feet

i know this one is right