Solve the problem.Given that the polar equation r =  models the orbits of the planets about the sun, estimate the closest approach of a planet for which  and  to the sun.

A. 67 astronomical units
B. 22 astronomical units
C. 7 astronomical units
D. 13 astronomical units


Answer: D

Mathematics

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Make a stem and leaf plot of the data.The following data show the number of laps runby each participant in a marathon.46 65 55 43 51 4857 30 43 49 32 56

A.

B.

Mathematics

Evaluate the expression without using a calculator.log10 

A. 1
B.
C.
D. 10

Mathematics

For the given function expressed verbally, give a graphical representation. To convert x inches to y centimeters, multiply x by 2.54. Let y = f(x) and 0?x?50.

A.

B.

C.

D.

Mathematics

Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.

A.
B. x88
C. x2
D. x23

Mathematics