Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.-7x + 7y = -63-3x + 2y = -27
A. (9, 0)
B. (9, 1)
C. (8, 1)
D. No solution
Answer: A
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Use identities to find the exact value of the trigonometric function.Find sin ?, given that cos ? = 
and 
< ? < 2?.
A. - 
B. -
C. - 
D. - 
Make a line graph of the data.The following table shows the median teacher's salary in District X over several years. Use time on the horizontal scale for your line graph.
What will be an ideal response?
Solve the problem.Nick and Ashley carry a total of 4.5 liters of water as they begin a day hike. How many gallons of water are they carrying, to the nearest tenth?
A. 17.0 gallons B. 1.2 gallons C. 4.3 gallons D. 4.8 gallons
Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.
r3 + 
r2
A. Binomial, degree 5 B. Binomial, degree 4 C. Binomial, degree 3 D. Trinomial, degree 2