Answer:
83 points
Step-by-step explanation:
-The formula for average is given as:

Let a be his 5th score and (a+4) of the 6th
#We subtract the sum of the first 4 tests from the 6, to get the sum of the 5th and 6th tests:

#We substitute for the 5th and 6th to solve a:

Hence, Karl score 83 points in his 6th test.
Answer:
is that even the full answer because I don't know if that is
Answer:
4/1
Step-by-step explanation:
To get from one dot to the next, you go up by four and to the right by one, making the slope 4/1
Answer:
The center is (5, -4)
Radius 9
Step-by-step explanation:

Center is just the opposite in the formula
Answer:
Area = 886cm^2
Step-by-step explanation:
34 • 16 = 544
19 • 11 = 209
25 - 11 = 14
14 • 19 = 266/2
266/2 = 133
544 + 209 + 133 = 886cm^2