Solve the problem.The sum of a student's three scores is 222. If the first is 19 points more than the second, and the sum of the first two is 27 more than twice the third, what was the first score?
A. 46
B. 88
C. 69
D. 65
Answer: B
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Find both the parametric and the vector equation of the line.The line through (0, 1, 0) in the direction of the vector v = (3, 0, -1)
A. x = 3, y = t, z = -1; r = (3, 0, -1) + t(0, 1, 0) B. x = 3, y = t, z = -1; r = (0, 1, 0) + t(3, 0, -1) C. x = 3t, y = 1, z = -t; r = (0, 1, 0) + t(3, 0, -1) D. x = 3t, y = 1, z = -t; r = (3, 0, -1) + t(0, 1, 0)
Check the addition. If the answer is incorrect, find the correct answer.
15,289
A. Incorrect; should be 14,289 B. Incorrect; should be 15,189 C. Correct D. Incorrect; should be 15,399
Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined
Find the slope and the y-intercept of the given line.y = - 
x + 5
A. - 
; (0, -5)
B. - 
; (0, 5)
C. 
; (0, 5)
D. 
; (0, -5)