Use your grapher to determine which of the graphs matches the given polar equation.r = 3 sin 2?
A. 
B. 
C. 
D. 
Answer: D
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.15x2 + 19x + 6
A. (15x + 2)(x + 3) B. (3x - 2)(5x - 3) C. (3x + 2)(5x + 3) D. prime
Find the tax rate for the area. Round to the nearest tenth of a percent.Total tax needed: $564,000Total assessed value: $9,421,000
A. 1.7% B. 6.0% C. 16.7% D. 0.6%
Solve. A lamp shade has the geometric form shown below. The total surface area of a lamp shade with slant height s and top and bottom base radii of r2 and r1, respectively, is given by the expression 
Factor this expression. 
A. ?(r12 + r22 + sr1 + sr2)
B. ?(r1 + r2)(r1 + r2 + sr1r2)
C. ?(r1 + r2)(r1 + r2 + s)
D. ?r1(r1 + 
+ sr1 + sr2)
Solve the system of equations.
A. x = 1, y = 5, z = -2; (1, 5, -2) B. x = 5, y = -2, z = 1; (5, -2, 1) C. x = 1, y = -2, z = 5; (1, -2, 5) D. inconsistent