Find the sum. Simplify when necessary.-24.1 + (16.4) + (-3.5) + (-2.5)
A. 34.5
B. -8.7
C. -41.5
D. -13.7
Answer: D
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Solve the problem.Last year the hatch-back model of a new car cost $17,435. This year's model costs $21,192. How much more does this year's model cost?
A. $37,627 B. $3757 C. $3657 D. $38,627
A deck of cards contains 52 cards. These cards consist of four suits (hearts, spades, clubs, and diamonds) of each of the following: 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace. If a card is chosen from a deck of cards, find the probability of each event.Selecting the 9 of clubs
A. 
B. 
C. 
D. 
Find all solutions of the equation in the interval [0°, 360°).2 cos2 ? - 3 cos ? + 1 = 0
A. {0°, 60°, 300°} B. {0°, 30°, 330°} C. {60°, 90°, 300°} D. {0°, 60°, 120°}
Solve the system of equations.x2 + y2 = 21y2 = 2x + 13
A. (2, 
), (-3, 
), (2, -
), (-3, -
)
B. (3, 
), (-4, 
), (3, -
), (-4, -
)
C. (2, 
), (-4, 
), (2, -
), (-4, -
)
D. (2, 3
), (-4, 3
), (2, -3
), (-4, -3
)