Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.-
A. -2
B. -4
C. 2
D. -2
Answer: D
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Solve the problem.The table below summarizes the construction cost of a set of homes (excluding the lot cost) along with the square footage of the home's floor space. Find a linear equation that relates the construction cost in thousands of dollars to the floor space in hundreds of square feet by finding the least squares line for the data.
A. y = 8.13x B. y = 7.87x - 13.08 C. y = 8.13x - 12.79 D. y = 7.97x - 13.54
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
ln 
+ C
B. 
ln 
+ C
C. 
ln 
+ C
D. ln 
+ C
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(
)2(s-1/8y1/6)-4
A. 
B. 
C. 
D. 
Solve the problem.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 7 days if it starts out at 16 grams?
A. 4 grams
B. 
gram
C. 8 grams
D. 
gram