Find the solution to the system of equations by the substitution method.-7x + 9y = -274x + 2y = -6
A. (-1, -3)
B. (0, -3)
C. (0, -2)
D. (-1, -2)
Answer: B
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Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = x3 - 2x2 and y = x2 - 3
A. x ? -0.879385, 1.347296, 2.532089 B. x ? -0.880495, 1.599796, 2.732089 C. x ? -0.626885, 1.346186, 2.332089 D. x ? -1.030885, 1.549296, 2.530979
Use the even-odd identities to find the exact value of the expression. csc 
A. 2
B. 
C. - 
D. -2
Use proportions to solve the problem.A label printer prints 5 pages of labels in 4.9 seconds. How long will it take to print 230 pages of labels?
A. 229.4 sec B. 228.4 sec C. 225.4 sec D. 227.4 sec
Solve the problem.Find the exact value of x in the figure.
A. 
B. 79
C. 
D. 