a is the best way to find it if there is points involved so keep that in mind
Using elimination, you can do
4x+3y-(4x-2y)=3-(18)
5y=-15
y=-3
Substitute it back into original equation:
4x+6=18
4x=12
x=3
<h2>
So, the answer is <u><em>
x=3, y=-3</em></u></h2>
<em>Marilyn is having shelves installed to create a corner pantry. </em><u><em>The length of one wall is 21 inches and the length of the other wall is 25 inches.</em></u><em> The contractor who is making the shelves, which are shaped like right triangles, needs to know the measure of the angle opposite the short side of the pantry,
</em>
Question:
<em>What is the measure of that angle? Round your answer to the nearest degree.</em>
Answer:
40°
Step-by-step explanation:
