Solve the equation.3(1 + 2x) = 27
A. -1
B. 3
C. 1
D. 9
Answer: C
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.7 + 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Solve the problem.To calculate the drug dosage for a child, a pharmacist may use the formula 
The child's age is x and the adult dosage is D. What is the dosage for an 
old child if the adult dosage is 50 mg? (Round to the nearest tenth.)
A. 50.0 mg B. 21.4 mg C. 3.6 mg D. 37.5 mg
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(4, 3); slope: - 
A. y = - 
x + 
B. y = - 
x + 
C. y = - 
x + 
D. y = - 
x - 
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = 14
A. {±7}
B. {
}
C. {±
}
D. {±8}