Obtain the Cartesian equation of the curve by eliminating the parameter.x = 
, y = s - 8, 1 < s < 10
A. y = 5 - 
B. y = 5 - 
C. y = 
- 8
D. y = 
- 8
Answer: D
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Solve.Given that sin (3?/8) = 
and cos (3?/8) = 
, find tan (3?/8).
A. 
B. 
C. 
D. 
Use the properties of logarithms to rewrite the logarithm if possible. Assume that all variables represent positive real numbers.log10 xy
A. log5 x - log5 y B. log10 x - log10 y C. log10 x + log10 y D. log5 x + log5 y
Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.For the first three months of the year, Jackie's business reported sales of $2832, $3998, and $3682. If Jackie's sales for the fourth month are $2258, what will her year-to-date sales be?
A. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + s = 2258 Jackie's year-to-date sales amount is $12,780. B. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + s = 2258 Jackie's year-to-date sales amount is $12,870. C. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + 2258 = s Jackie's year-to-date sales amount is $12,880. D. Let s = Jackie's year-to-date sales amount. 2832 + 3998 + 3682 + 2258 = s Jackie's year-to-date sales amount is $12,770.
Find the mean and standard deviation of the specified probability density function.f(x) = 0.04e-0.04x for [0, ?)
A. ? = 25, ? = 25 B. ? = 25, ? = 15 C. ? = 2.5, ? = 2.5 D. ? = 20, ? = 20