Solve the problem.An auditorium has 25 rows, with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 850
B. 500
C. 900
D. 550
Answer: A
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Find the parametric equations for the line tangent to the curve at the given point.r(t) = 
at r(0)
A. x = -2t, y = -7, z = -3 B. x = -2, y = -7t, z = -3t C. x = -2t, y = -7t, z = -3 D. x = 2, y = -7t, z = 3t
Find the axis of symmetry of the graph of the parabola.f(x) = 5(x - 4)2 - 9
A. x = -4 B. x = 4 C. x = -9 D. y = -9
Find the percent using a proportion. Round your answer to the nearest tenth if necessary.$908.72 is what percent of $57.74?
A. 15,738% B. 6.4% C. 0.6% D. 1573.8%
Use the compound-interest formula to find the account balance with the given conditions: P = principal, r = interest rate, t = time, in years.P = $14,000, t = 3, r = 7% compounded semiannually
A. $3209.57 B. $17,209.57 C. $16,627.61 D. $17,150.60