Answer:

Step-by-step explanation:
Please refer to the attached figure for labeling of given diagram:
We are given the following angles:

Angles opposite to each other when they are formed by crossing of two lines are known as vertically opposite angles. And vertically opposite angles are always equal to each other.
Using property of vertically opposite angles:

Line CD is a straight line, so 
Also,

Hence, <em>answer</em> is
.
The average of 6 quiz scores, where
is the score of the last quiz, is

The student needs a minimum average of 86 to earn an A:

so the student needs a score of 91.
Answer:
Step-by-step explanation:
-3x^2 - 10x - x^2 - 6x
-4x^2 - 16x
Answer:
1,015
Step-by-step explanation:
7 pounds of honey equals 1 pound of wax
So if we have 145 pounds of was, we multiply 145 by 7
145x7= 1,015
Answer:
1/3
Step-by-step explanation: