Is the ordered triple a solution to the given system of equations?(-3, -1, 4) 2x - 2y - 3z = -16 4x - 3y + 3z = 3 x + y - 5z = -24.
A. Yes
B. No
Answer: A
Mathematics
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Write 28,000,000 in scientific notation.
A. 2.8 × 107 B. 28 × 106 C. 2.8 × 10-7 D. 2.8000000 × 107
Mathematics
Solve.
> 0
A. 
, or 
B. 
, or 
C. 
, or 
D. (-?, 0), or 
Mathematics
Solve the problem. Round approximations to the nearest cent.Kendal Cole scored 75 and 78 on his first two business math tests. Find the minimum score he must get on his third test to have an average of 80 in the course.
A. 87 B. 85 C. 77 D. 79
Mathematics
Find the measure of the requested angle.In ?ABC, ?A = 72°, ?B = 54°. Find the measure of ?C.
A. 234° B. 18° C. 54° D. -36°
Mathematics