Solve the equation.a + 1 = 13
A. 14
B. -12
C. 12
D. -14
Answer: C
Mathematics
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Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - y2 = 14x2 + 2y2 = 14
A. (
, 2), (
, -2), (-
, 2), (-
, -2)
B. (
, 4), (
, -4), (-
, 4), (-
, -4)
C. (
, 2), (
, -2), (-
, 2), (-
, -2)
D. no real solution
Mathematics
Find the product of the following real numbers.(-5)(17)
A. 50 B. -35 C. 12 D. -85
Mathematics
Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? 3 and x ? -1
A. (-?, -1] ? [3, ?)
B. [-1, 3]
C. (-1, 3)
D. ?
Mathematics
Find a vector orthogonal to the given vectors.
and 
A. 
B. 
C. 
D. 
Mathematics