the answer is D if it is not then try A
Answer:
Step-by-step explanation:
Solve for the mean (average) of the five test scores.
Subtract that mean from each of the five original test scores. Square each of the differences.
Find the mean (average) of each of these differences you found in Step 2.
Take the square root of this final mean from #3. This is the standard deviation.
Answer:
-12
Step-by-step explanation:
First you add five to the 19 and get 24 and then you divide -2x by 24 and you get -12
Answer:
14x +13
Step-by-step explanation:
4(6x+2)-5(2x-1)
Distribute
24x +8 -10x +5
Combine like terms
24x -10x +8+5
14x +13
Answer:
y=-x/3-8
Step-by-step explanation:
First we find 2 points:
(0,-8) and (6,-10)
then substitute in y=ax+b equation
-8=0a+b, b=-8
-10=6a-8
a= -1/3
