Answer:
I'm sure it is 180 degrees
EXPLANATION:
To get the solution of the simultaneous equation, using the elimination method:
We will have the following steps:
Step 1:
Write the two equations:

Step2: Subtract the two equations:

Step 3: Simplify the expression

Step 4: Substitute x=-2 into the formula:

Therefore, the answer is

Thus,
Option B is correct
Answer:
$15.8666666667 an hour on average
Step-by-step explanation:
14/7.5=1.8666666666
this means that for every hour the proofreader is working he proof reads 1.8666667 pages since he makes 8.5 for every page we have to multiply the pages per hour times the salary of every page to get his average hourly wage
1.8666666666 * 8.5 = $15.8666666667 an hour on average
20,23,26,29,32,35,38,41,44,47,50,53,56,59,62,65,68,71,74,77,80
The correct answer will be A and B
The last three is wrong based on the numbers
Answer:
21!
9x2=18
18+3=21
Step-by-step explanation:
May I have brainliest I'm trying to level up!
</3 PureBeauty