Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find 
.
A. 
B. 
C. 
D. 12
Answer: B
Mathematics
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Substitute the given values into the formula and solve for the unknown variable.I = prt; I = 25.2, p = 140, r = 0.06
A. 211.68 B. 3 C. 2.1168 D. 0.3
Mathematics
Solve the system of equations.
A. {(-1, 2, 5)} B. {(2, -1, 5)} C. {(-1, 5, 2)} D. {(2, 5, -1)}
Mathematics
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 4x + 3
A. vertex (2, -1)
intercepts (1, 0), (3, 0), (0, 3)
B. vertex (-2, 1)
intercepts (-1, 0), (- 3, 0), (0, -3)
C. vertex (-2, -1)
intercepts (-1, 0), (- 3, 0), (0, 3)
D. vertex (2, 1)
intercepts (1, 0), (3, 0), (0, -3)
Mathematics
Reduce the rational expression to lowest terms.
A. 1
B. -1
C. 
D. -x
Mathematics