An integer is a natural number (1, 2, 3 ...), zero, or the negative of a natural number.
-76.15 is none of those,
Answer: NO
If you plot them you will see that the intersect each other in two different points.
The solution of a system of equations is the set of points of intersection of the graphs of the equations.
The answer is D.
In general, 23 more than a number is written as

In our case, x is 'twice a number'; thus,

Finally, the whole expression is

<h2>The answer is 2n+23</h2>
Answer:
114
Step-by-step explanation:
so lets call shelf 1 x
shelf 2 is twice size + 18 of shelf 1 so it is 2(x)+18
shelf 3 is 12 less than shelf 1 so x-12
shelf 4 is four more so x+4
Add them all together and it should be 5x+10= 2.5 m or 250 cm
Solve for x using cm
then plug into shelf 2 equation