For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t + 2)i + (ln(cos t) - 6)j + 9k, -?/2 < t < ?.2; rectifying plane at t = 
.
A. 
- 
= 0
B. 
(x - (1 + 2)) = 0
C. 
+ 
= 0
D. - 
+ 
= 0
Answer: C
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Solve the problem.A theater has 975 seats divided into orchestra, main, and balcony. The orchestra seats cost $85, the main seats cost $55, and the balcony seats cost $45. If all the seats are sold, the revenue is
If all the orchestra and balcony seats are sold and 3/5 of the main seats are sold, the revenue is 
How many balcony seats does the theater have?
A. 300 seats B. 350 seats C. 325 seats D. 375 seats
Write the logarithmic equation as an exponential equation.log464 = 3
A. 464 = 3 B. 643 = 4 C. 34 = 64 D. 43 = 64
Solve the problem. Round to the nearest cent.Don sells real estate and receives a commission of $930. If his commission rate is 5% of the seller's net pay, what was the seller's net pay?
A. $93,000.00 B. $18,600.00 C. $22,320.00 D. $9300.00
Find the product.-6 
A. - 
B. 
C. 
D. - 