Decide if the graph of the system is a pair of parallel lines, intersecting lines, or one line.x + y = -3x - y = -1
A. Parallel
B. One Line
C. Intersecting
Answer: C
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At the given point, find the slope of the curve, the line that is tangent to the curve, or the line that is normal to the curve, as requested.x3y3 = 8, normal at (2, 1)
A. y = 2x - 3
B. y = 
x
C. y = -2x + 5
D. y = - 
x + 2
Solve the rational inequality. Express the solution in interval notation.
> 0
A. (-5, 4) ? (4, 5) B. (-?, -5) ? (5, ?) C. (-5, 4) ? (5, ?) D. (-?, -5) ? (4, 5)
A group of fun-loving people have decided to play a practical joke on one of their friends, but they can't decide which friend, Alice (A), Betty (B), or Connie (C). Their preferences are: (CAB) (BAC) (ABC) 7 6 5 ? Who wins the election using the Hare method? Does this violate the Condorcet criterion? ?
A. Betty, Yes B. Alice, Yes C. Connie, No D. Betty, No E. Connie, Yes
Solve.Enrollment figures at a community college showed an increase from 45,567 credit hours in one year to 71,336 credit hours in the next. Round each number to the nearest thousand to estimate the increase.
A. 25,900 credit hours B. 26,000 credit hours C. 25,000 credit hours D. 25,800 credit hours