Answer:
-11xy
Step-by-step explanation:
Subtracting a negative means adding.
-14xy - (-3xy) = -14xy + 3xy = -11xy
Answer:
B
Step-by-step explanation:
Variance can be said to be a measure of dispersion for a random sample.
Variance = pq/n
When given the variance, we can find the standard deviation.
Standard deviation = √variance
= √pq/n
d.24 is may the answer of it
Answer:
it couldn't be uploaded so I just added in attachment!
Answer:
Step-by-step explanation:
y = -8x - 49
y = -x
- -8x - 49 = -x
- -8x + x = 49
- -7x = 49
- x = -7
- y = - (-7) = 7