Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(7, 0), (-7, 0)}
B. {(-7, 0), (-7, 7)}
C. {(7, 7), (-7, 7)}
D. {(7, 0), (7, 7)}
Answer: A
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Solve the problem.If p > 1 and q > 1, what can be said about the convergence of 
?
A. May converge or diverge B. Always diverges C. Always converges
Solve for x using an equivalent exponential expression.Find the area of a rectangle that measures 2 inches by 7 feet. Give the area in square inches and in square feet.
A. 168 sq in.; 
sq ft
B. 216 sq in.; 1
sq ft
C. 1
sq in.; 168 sq ft
D. 168 sq in.; 1
sq ft
Provide an appropriate response.Explain the difference between evaluating an expression and solving an equation.
What will be an ideal response?
Solve the problem.A rotating beacon is located 15 ft from a wall. The distance from the beacon to the point on the wall where the beacon is aimed is given by a = 15
,where t is time measured in seconds since the beacon started rotating. Find a for 
Round your answer to the nearest hundredth.
A. 60.32 ft B. -17.12 ft C. 17.12 ft D. 38.72 ft