Solve the problem.Given that the polar equation r = 
models the orbits of the planets, estimate the closest approach of Pluto's orbit, for which 
and 
to the sun.
A. About 74 astronomical units
B. About 50 astronomical units
C. About 30 astronomical units
D. About 39 astronomical units
Answer: C
Mathematics
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Evaluate the expression using the order of operations.-7
A. - 7 B. -49 C. 7 D. 49
Mathematics
Use a graphing utility as an aid in factoring to solve the equation.2s2 - 136s = - 1800
A. s = 5, s = 180 B. s = 37, s = 20 C. s = 50, s = -18 D. s = 50, s = 18
Mathematics
Provide an appropriate response.Is it possible to factor the expression 4x6(y + 5) + 9(y - 5)? If so, factor it.
A. Yes: (4x6 + 9)(y - 5) B. No C. Yes: (4x6 + 9)(y + 5) D. Yes: (4x6 + 9 + 5 + y)
Mathematics
Use transformations to graph the function.y = -2 cos x
A. 
B. 
C. 
D. 
Mathematics