Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Factor completely, or state that the polynomial is prime.x2 - 3x - 10
A. prime B. (x + 5)(x + 2) C. (x + 5)(x + 1) D. (x - 5)(x + 2)
Mathematics
Name the following angle using three kinds of notation, if possible.
A. ?XZY, ?Y B. ?YXZ, ?Y C. ?ZYX, ?Y D. ?ZXY, ?Y
Mathematics
Solve.Julia preheated her oven for 25 minutes. What fraction of an hour was this? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
x? = x(0.04 ? 0.0008x ? 0.004y) , y? = y (0.1? 0.005x ? 0.002y)
Let x and y represent the populations (in thousands) of two species that share a habitat. For each system of equations, find and assess the stability of the equilibrium points. Remember that, for real populations, both x0 and y0 must be nonnegative for ( x0, y0) to be an equilibrium point.
Mathematics