Use a proportion to solve the problem.Jim drove 322 miles in 7 hours. If he can keep the same pace, how long will it take him to drive 874 miles?
A. 19 hours
B. 2254 hours
C. 38 hours
D. 29 hours
Answer: A
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Determine whether the improper integral is convergent or divergent, and calculate its value if it is convergent.
Solve the problem.Two bacteria are placed in a petri dish. The population will double every day. The formula for the number of bacteria in the dish on day t is N(t) = 2(2)twhere t is the number of days after the two bacteria are placed in the dish. How many bacteria are in the dish eight days after the two bacteria are placed in the dish?
A. 12 B. 128 C. 32 D. 512
Solve. x + y = 
5y + 3z = - 
2x + z = - 
A. 
B. 
C. 
D. 
Estimate the value of the quantity.The table shows the velocity of a remote controlled race car moving along a dirt path for 8 seconds. Estimate the distance traveled by the car using 8 subintervals of length 1 with right-end point values.
A. 190 in. B. 200 in. C. 184 in. D. 194 in.