Factor out the greatest common factor. Simplify the factors, if possible.3x(5x + 2) + 4(5x + 2)
A. (15x + 4)(x + 2)
B. (3x - 4)(5x - 2)
C. (15x - 4)(x - 2)
D. (3x + 4)(5x + 2)
Answer: D
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln (3?e-?)
A. ln (3e-?(1-?))
B. 
C. 
- 1
D. e?
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Provide an appropriate response.Simplify the following: 
Fill in the blank(s) with the appropriate word(s).
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Perform the desired operation. Write the answer in the form a + bi.(9 + 9i)(5 - 9i)
A. -36 + 126i B. 126 + 36i C. -81i2 - 36i + 45 D. 126 - 36i
Mathematics
Solve the problem.Suppose a car rental company charges $106 for the first day and $56 for each additional or partial day. Let 
represent the cost of renting a car for x days. Find the value of 
A. $358 B. $308 C. $386 D. $414
Mathematics