Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Answer: B
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The following data show the distance D, in millions of miles, and the period P, in years, of five of the planets. (The period is the time required for one revolution about the sun.) Planet Mercury Venus Earth Mars Jupiter P 0.24 0.62 1 1.88 11.87 D 36 67.1 92.9 141.7 483.4? A: Use power regression to model the distance as a function of the period. Use two digits of accuracy for the coefficient and for the power.B: Plot the data along with the power model you found in part A.C: If one planet takes twice as long to orbit the sun as another, how do their distances from the sun compare? Round your to two decimal places.
What will be an ideal response?
Find the constant term to be added to the expression to form a perfect square trinomial.x2 - 18x
A. 0 B. 81 C. -81 D. None of the above
Multiply the binomials using FOIL.(9x2 + 4y2)(8x2 - y2)
A. 72x4 + 23x2y2 - 5y4 B. 72x4 + 32x2y2 - 4y4 C. 72x4 + 23x2y2 - 4y4 D. 72x4 - 4y4
Use identities to find the exact value of the function for the given value.cos ? = 
and ? is in quadrant IV; Find sin ?.
A. 
B. 
C. 
D. - 