Answer:
a. x² + 10x + 25
Step-by-step explanation:
because
(x + 5)² = (x + 5)(x + 5) = x² + 5x + 5x + 25 = x² + 10x + 25
so, it is a perfect square of (x + 5).
Answer:
The value of the test statistic is
Step-by-step explanation:
The formula for the test statistic is:
In which X is the statistic, is the mean, is the standard deviation and n is the number of observations.
In this problem, we have that:
So
The value of the test statistic is
24 foot board... I added a picture for the break down
Y=-11. 2×-4 is -8, and -8-3 is -11.
Yeah i agree with them y=10