A and b is a numbers
a + b = 18
a - b = -2
2a = 16
a = 8
8 + b = 18
b = 10
Answer: 20
Step-by-step explanation:
Answer:
as the line is parallel we do not change x-4y what we change is the result x = 8 & y = -4 so the result is 8 - 4 (-4) = 24 so the equation is 24
What is the mean of the data set? 12, 17, 16, 10, 20, 13, 14, 14, 12, 12, 19, 18 a.14.75 b.15.75 c.13.50 d.14.00 need answer asa
cricket20 [7]
If you add them all up and divide it with how many different numbers you have then you get 13.5 (C)
Answer: For a test? Nah, thats cheating
Step-by-step explanation: Just kidding, the answer is B...
