Write the number in scientific notation.0.0000000530014
A. 5.30014 × 108
B. 5.30014 × 10-8
C. 5.30014 × 10-7
D. 5.30014 × 10-9
Answer: B
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Replace the polar equation with an equivalent Cartesian equation.r = -13 csc ?
A. -13x = 1 B. y = -13 C. -13y = 1 D. x = -13
Find the Jacobian 
or 
(as appropriate) using the given equations.x = 6u cos 8v, y = 6u sin 8v
A. 384v B. 384u C. 288u D. 288v
Solve the problem.Suppose a life insurance policy costs $20 for the first unit of coverage and then $5 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $50 B. $70 C. $65 D. $30
Solve the problem.At a local grocery store the demand for ground beef is approximately 50 pounds per week when the price per pound is $4, but is only 40 pounds per week when the price rises to $5.50 per pound. Assuming a linear relationship between the demand x and the price per pound p, express the price as a function of demand. Use this model to predict the demand if the price rises to $5.80 per pound.
A. p = 0.15x + 11.5; 38 pounds B. p = 11.5x + -0.15; 40 pounds C. p = - 0.15x + 11.5; 38 pounds D. p = - 0.15x - 11.5; 40 pounds