Answer: C
Step-by-step explanation:
Example 3x+5c is an expression
Example 3x+5x=8x
Answer:
Step-by-step explanation:
Plot that point in the x/y coordinate plane to see that it sits in the third quadrant. From the point, draw a line to the origin, constructing a right triangle. The side adjacent to the angle is -2, the side across from the angle is -5, so we need to find the length of the hypotenuse using Pythagorean's Theorem:
and
so

That means that
and

That means that
and

It also means that
and

Answer:
1.8
-2.2
1.8
-2.2
-1.8
-1.8
2.2
2.2
Step-by-step explanation:
Right or above 0 are positive
Left or below 0 are negative