Convert the units using unit fractions.3
ft = 
in.
A. 
B. 
C. 42
D. 36
Answer: C
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Solve the problem.A method of sampling in which the population is broken up into categories and the members of the sample are chosen randomly from within some group of randomly selected categories is called
A. quota sampling. B. randomized controlled sampling. C. simple random sampling. D. stratified sampling. E. none of these
An equation with a restriction on x is given. This is the equation of the terminal side of an angle ? in standard position. Sketch the smallest positive such angle ?, and use your sketch to find the values of the indicated trigonometric functions. Rationalize denominators when applicable.-9x - y = 0, x ? 0
Find sec ? and csc ?.
A. sec ? = 
; csc ? = - 
B. sec ? = - 
; csc ? = 
C. sec ? = 
; csc ? = - 
D. sec ? = - 
; csc ? = 
Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
Use the quotient rule to simplify the expression.
A. z19
B. z
C. z10 - z9
D. 