Solve.A group of 7 friends are going to a concert. Tickets cost $9 each and they pay an additional $7 per person to upgrade their tickets to the front row. What is the total cost for all of their tickets?
A. $122
B. $14
C. $112
D. $441
Answer: C
Mathematics
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Find G'(x).G(x) = 
A. sin (x6)
B. -cos (x6) - 1
C. 
x7 sin (x6)
D. 6x5 sin (x6)
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Perform the indicated operations and, if possible, simplify. Recall that multiplications and divisions are performed in order from left to right.
÷ 
? 
A. r - s
B. 
C. r + s
D. 
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = -2x4 - 4x3 - 4x2 - 3x + 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 26 inches wide at the opening. The focus is 25 inches from the vertex. Find the depth of the microphone.
A. 1.69 in. B. 27.04 in. C. 6.76 in. D. 0.75 in.
Mathematics