Solve the problem with three unknowns.In triangle ABC, the measure of angle B is 5° more than three times the measure of angle A. The measure of angle C is 15° more than the measure of angle A. What is the measure of Angle C?
A. 53°
B. 47°
C. 49°
D. 45°
Answer: B
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Provide an appropriate response.Solve using a system of equations: Three electricians and four helpers earned a total of $1,950 on a job. At the same rate of pay, one electrician and two helpers earned $800. Find the earnings of each electrician and each helper.
What will be an ideal response?
Use algebraic and/or graphical methods to solve the inequality.
? 
A. -1 < x < 
or 5 < x < 
B. -1 < x ? 
or 5 < x ? 
C. -1 < x ? 
or 5 < x ? 
D. -1 < x ? 
or 5 < x ? 
Solve the problem.Suppose that the salinity S of ocean water at a given depth d is modeled by the equation 
where S is measured in grams salt per kilogram water and d is measured in meters. What is the salinity when the depth is 931 m? Round your answer to the nearest hundredth.
A. 95.63 g salt/kg water B. -27.25 g salt/kg water C. 92.63 g salt/kg water D. 36.15 g salt/kg water
Solve the equation.g + 28.14 = 0
A. -29.14 B. -28.14 C. 29.14 D. 28.14