Use the fundamental identities and simplify the expression to get a numerical value.cot x sec x sin x
A. -1
B. sec2?
C. 0
D. 1
Answer: D
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Substitute to find the value of the expression.In one store, bananas cost 60 cents per pound. The cost, in dollars, of x pounds of bananas is 0.6x. What is the cost of 1.8 pounds of bananas?
A. $1.28 B. $3.00 C. $0.30 D. $1.08
Find the domain and range of the function represented in the graph.
A. Domain: [-2?, 2?]; Range: [-4, 4] B. Domain: [-?, 2? ]; Range: [-3, 3] C. Domain: [-3, 3]; Range: [-?, 2?] D. Domain: [-?, 2?]; Range: [0, 3]
Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has less than 2 siblings?
A. 0.75 B. 0.19 C. 0.25 D. 0.56
Change the mixed number to an improper fraction.
What will be an ideal response?