Find an equation for the line tangent to the curve at the point defined by the given value of t.x = csc t, y = 9 cot t, t = 
A. y = -18x + 9
B. y = 18x - 9
C. y = 18x + 3
D. y = 3
x - 18
Answer: B
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Determine if the system has no solution or infinitely many solutions. If the system has infinitely many solutions, describe the solution with the equation of a plane or an ordered triple in terms of one variable.
A. 
B. 
C. 
D. no solution
Answer as requested.Which of the following pairs of variables is likely to have no correlation?
A. The unemployment rate and the number of home foreclosures B. The amount of rainfall and the height of the grass C. The annual rainfall in Tempe, Arizona and the annual cost of tuition at Yale University D. The amount of time studying math and grade on a math test
Find the measures of the seven remaining angles, given that p
q and that t is a transversal.
A. m?5 = m?6 = m?7 = 52°; m?1 = m?2 = m?3 = m?4 = 128° B. m?2 = m?4 = m?6 = 52°; m?1 = m?3 = m?5 = m?7 = 128° C. m?2 = m?4 = m?6 = 52°; m?1 = m?3 = m?5 = m?7 = 38° D. m?2 = m?4 = m?6 = 52°; m?1 = m?3 = m?5 = m?7 = 138°
Solve the equation. If the equation is an identity or a contradiction, state this.7(x - 1) + x = 8(x + 1) - 15
A. ? or { }; contradiction B. all real numbers; identity C. {7} D. {0}