Answer: 364
Step-by-step explanation:
The answer is B. You are getting rid of one x is the answer is x^2.
Yes, because rounding the cost of each pencil topper up to the nearest dollar gives $4, and $4(4)=$16.
Answer:
x =1
y = 3
Step-by-step explanation:
8x - 3y = -1 ------ * 2 part (a)
-5x +2y =1 ------ * 3 part (b)
16x -6y = -2 part (c)
-15x +6y = 3
x = 1
8(1) - 3y = -1 part (d)
8-3y =-1
-3y = -9
y =3
Answer: 
Step-by-step explanation:
We need to apply the following identity:

Then, applying this, you know that for
:

We need to remember that:
and 
Therefore, we need to substitute these values into
.
Then, you get:


