Solve the problem.A high school graduating class is made up of 476 students. There are 210 more girls than boys. How many boys are in the class?
A. 210 boys
B. 133 boys
C. 476 boys
D. 343 boys
Answer: B
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (7 ln(3t))i + (9t3)j
A. a = - 
t-2i + 54tj
B. a = 
t-2i + 54tj
C. a = - 
i + 54tj
D. a = 
i + 27tj
A traveling saleswoman's territory consists of the 6 cities shown on the following mileage chart. The saleswoman must organize a round trip that starts and ends at Memphis (her hometown) and will pass through each of the other five cities exactly once.Mileage Chart
The cheapest-link tour starting from Memphis is given by:
A. Memphis, Atlanta, Denver, Houston, Dallas, Kansas City, Memphis. B. Memphis, Atlanta, Denver, Kansas City, Houston, Dallas, Memphis. C. Memphis, Atlanta, Houston, Dallas, Kansas City, Denver, Memphis. D. Memphis, Dallas, Houston, Denver, Atlanta, Kansas City, Memphis. E. none of these
Perform the operation indicated.
? 
A. 
B. 
C. 
D. 
Find the future value P of the amount P0 invested for time period t at interest rate k, compounded continuously. P0 = $70,000, t = 3 yr, k = 5%
A. $81,328.40 B. $81,428.40 C. $80,500.00 D. $81,033.75