Answer:
4.19
Step-by-step explanation:
Find the mean:

Find the standard deviation:

A complement is angle that can be added to another to equal 90 degrees.
So two times the same number would equal 90.
90 / 2 = 45
The angle that is its own complement is 45 degrees.
Step-by-step explanation:
2x²+2xy+yx+y²+2x²+2xy-yx+y²
2x²+2x²+2xy+2xy+yx-yx+y²+y²
2x²+2x²+2xy+2xy
4x²+4xy
B convenience sampling because if it looks bad then she should throw it away but if it looks good then she should keep it
Answer:
He applied the reflection to the pre-image first.
He used an incorrect angle of rotation around point P.
Step-by-step explanation:
Just took the test