Test the equation for symmetry with respect to the given axis, line, or pole.r = 3 - 6 sin ?; the polar axis
A. Symmetric with respect to the polar axis
B. May or may not be symmetric with respect to the polar axis
Answer: B
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Answer the question with an algebraic expression.The first side of a triangle is y feet long. The second side is 4 feet longer than the first side. The third side is twice as long as the second side. What is the perimeter of the triangle in inches?
A. 4y + 4 in B. 4y + 12 in C. 48y + 144 in D. 48y + 48 in E. none of these
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.The following graph shows that more and more people in a certain country are moving from urban cities to the suburbs. The percent, p, of the population living in urban cities can be estimated by the equation 
and the percent of the population living in the suburbs by the equation
In both equations, t represents the number of years since 2000. That is, 
/> corresponds to 2000, 
corresponds to 2001, and so on. Assuming this trend continues, use both equations to estimate the year in which the percent of the population of this certain country living in urban cities will be equal to the percent living in the suburbs.
A. 2015
B. 2011
C. 2013
D. 2019
Find the equation of the axis of symmetry of the parabola.y = x2 - 10x + 26
A. x = 5 B. x = -5 C. x = 0 D. x = 1
Perform the indicated operation.48 cm - 20 mm (in centimeters)
A. 47.8 cm B. 460 cm C. 28 cm D. 46 cm