An insect population in a controlled laboratory environment is increasing exponentially. Two days after the population was established, there are 200 insects, and after 2 more days, there are 400 insects. How many insects will there be 6 days after the population was established?
a. 800
b. 1,600
c. 600
d. 880
a. 800
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Find the discount period.Loan made: Sep 10Length of loan: 320 daysDate of discount: Mar 6
A. 177 days B. 146 days C. 143 days D. 174 days
Graph the region that satisfies the constraints.A contractor builds two models of homes, the Raskolnikov and the Karamazov. The Raskolnikov requires 180 worker-days of labor and $300,000 in capital, while the Karamazov requires 270 worker-days of labor and $200,000 in capital. The contractor has a total of 5400 worker-days and $6,000,000 in capital available per month. Let x represent the number of Raskolnikov models and y represent the number of Karmazov models.
A. 
B. 
C. 
D. 
Use least common multiple or greatest common divisor to solve the problem.Three taxi cabs make a complete trip from downtown to the airport and back in 15, 33 and 55 minutes, respectively. If all three cabs leave at the same time, what is the shortest time that must pass before they are all together again?
A. 165 minutes B. 1815 minutes C. 495 minutes D. 103 minutes
Perform the indicated operations.12 - (-5) ? (-9) + 9
A. -126 B. -144 C. 25 D. -24