Answer:
D. 
Step-by-step explanation:
we are given

Firstly, it is reflected over x-axis
we know that for reflection about x-axis , we can replace y as -y
we get


now, it is vertical shift up by 4 units
so, we can add 4 to y-value
we get


Answer:
a=14
Step-by-step explanation:
if a=10, 10/2 = 5 plus 9 = 14
(8/9)^2 is 64/81. Exponent is 2. Hope this help
Answer:
8
Step-by-step explanation:
Recall the formula for the population mean of a data set:

We already know that μ is 6 and the sum is 48. Substitute:

Divide both sides by 48:

Reciprocal of both sides:

Thus, there are 8 scores in the population size.
And we're done!
Answer:
i think its 1.5
Step-by-step explanation:
sorry if im wrong