Determine whether the given point is in the solution set to the given system.(5, -4, 5)2x - 3y + 3z = 244x + 4y - 3z = -83x - 3y + 2z = 23
A. No
B. Yes
Answer: A
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Find the angle in degrees when given the trigonometric values. ? represents the unknown angle measure.cot ? = 3.511
A. 15.08° B. 15.1° C. 15.900° D. 15.90°
Establish the identity.
- 
= 4 cot u csc u
What will be an ideal response?
Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. By using linear regression, the following function is obtained: 
where x is number of hours studied and y is score on the test. Use this function to predict the score on the test of a student who studies 6 hours. 
A. 68.7 B. 76.3 C. 78.7 D. 73.7
Solve the variation problem.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 140 milliamperes when the resistance is 5 ohms, find the current when the resistance is 35 ohms.
A. 20 milliamperes B. 980 milliamperes C. 100 milliamperes D. 973 milliamperes