Find the absolute value.|17|
A. 34
B. 17
C. 0
D. -17
Answer: B
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Solve the problem.The letters LACSIPE fell off a billboard. How many different ways can the letters be arranged, hoping to find the correct spelling of SPECIAL?
A. 7 B. 5040 C. 720 D. 40320
Simplify the complex fraction.3 +
A. -
B.
C.
D.
Solve the problem.A certain area of forest is populated by two species of animals, which scientists refer to as A and B for simplicity. The forest supplies two kinds of food, referred to as F1 and F2. For one year, species A requires 1.4 units of F1 and 1.15 units of F2. Species B requires 2.1 units of F1 and 1.9 units of F2. The forest can normally supply at most 891 units of F1 and 489 units of F2 per year. What is the maximum total number of these animals that the forest can support?
A. 985 animals B. 425 animals C. 349 animals D. 191 animals
Solve the problem.A freight train leaves a station traveling at 32 km/h. Two hours later, a passenger train leaves the same station traveling in the same direction at 52 km/h. How long does it takes the passenger train to catch up to the freight train?
A. 5.2 hr B. 2.2 hr C. 4.2 hr D. 3.2 hr