What exactly are you asking?
Answer:
With base of 3: 
With base of 9: 
Step-by-step explanation:
Use 3 and 9 as the base of the power.

Divisor is -4
Use coefficients 1 12 38 26
Bring down 1 multiply by -4 and add to 12 =8
Multiply 8 by -4 and add to 38 = 6
Multiply 6 by -4 and add to 26 = 2 which is the remainder
looks like 1 12 38 26
-4 -32 -24
________________
1 8 6 R 2
so answer A of x squared + 8x + 6 +R2 is correct
If we use the surface of the water as our frame of reference, then Christy's vertical position could be represented by -12 ft.
Answer:
0.0010,0.2743
Step-by-step explanation:
Given that Stanford–Binet IQ Test scores are normally distributed with a mean score of 100 and a standard deviation of 15
If x represents the scores then
X is N(100,15)
a) See enclosed file
b) Z score =
c) the probability that a randomly selected person has an IQ test score
i. Over 145.
=
ii. Under 91
=