Solve the problem.The function P(x) = 0.2x - 100 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find 
the profit the vendor makes from selling 500 pretzels.
A. $200
B. $0
C. $100
D. $400
Answer: B
Mathematics
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An object is attached to a coiled spring. The object is pulled down (negative direction from the rest position) and then released. Write an equation for the distance of the object from its rest position after t seconds.amplitude = 13 in.; period = 8 seconds
A. d = -13 sin 
?t
B. d = -8 cos 
?t
C. d = -13 cos 
t
D. d = -13 cos 
?t
Mathematics
Multiply. Change any mixed number to an improper fraction before multiplying.2
× 
A. 2
B. 
C. 4
D. 
Mathematics
Write the expression in the standard form a + bi.i21
A. -i B. i C. -1 D. 1
Mathematics
Use the distributive property to remove parentheses and write the product as a sum. Simplify if possible.- 
(18x + 6y)
A. 15x + 5y B. -15x - 5y C. -20x D. -15x + 5y
Mathematics