Solve the equation and check.
A. 
B. 
C. 
D. 
E. 
Answer: E
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Use the principle of square roots to solve the equation.(x + 4)2 = 44
A. 2
, -2
B. -4 + 2
, -4 - 2
C. 2
- 4, 2
+ 4
D. -4 + 2
, -4 - 2
Use technology to calculate det A.A = 
A. -170.984 B. 136.96 C. 81.944 D. 831.136
Model the problem with a linear equation.An investment is worth $3422 in 2008. By 2012 it has grown to $4234. Let y be the value of the investment in the year x, where x = 0 represents 2008. Write a linear equation that models the value of the investment in the year x.
A. y = -203x + 5046
B. y = -203x + 3422
C. y = 203x + 3422
D. y = 
x + 3422
Find the mass of a solid hemisphere of radius 5 if the mass density at any point on the solid is directly proportional to its distance from the base of the solid.
What will be an ideal response?