Translate the problem to a system of equations, then solve using Cramer's Rule.The sum of a student's three scores is 218. If the first is 22 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?
A. 46
B. 68
C. 86
D. 64
Answer: C
Mathematics
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Find the acute angle, in degrees, between the lines.3x - y = 8 and 2x + y = 16
A. 30° B. 75° C. 45° D. 60°
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Simplify.
3
A. 
B. 
C. 
D. 
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Add or subtract, as indicated.-6.463 + (-7.925)
A. -1.462 B. -14.388 C. 14.388 D. 51.219
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Perform the indicated operations and simplify the result so there are no quotients.sec ? - 
A. 1 + cot ? B. sin ? tan ? C. sec ? csc ? D. -2 tan2?
Mathematics