Find the solutions to the system of equations by the addition method.3x - 
= 10
- 
= 
A. (3, 
)
B. (3, - 
)
C. (3, 
)
D. (3,- 
)
Answer: D
Mathematics
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Factor completely. If a polynomial cannot be factored, say it is prime.x2 - 9x + 81
A. prime B. (x - 9)2 C. (x + 9)(x - 9) D. (x + 9)2
Mathematics
Find the intercepts of the graph of the function.s(p) = 4p2 - 5p - 9
A. 
, (1, 0), (0, 0)
B. 
, (0, 0), (0, -9)
C. 
, (-1, 0), (0, -9)
D. 
, (-1, 0), (0, -9)
Mathematics
Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 10
A. a + b B. ln a + ln b C. ab D. a - b
Mathematics
Find both the perimeter (P) and the area (A) of the given figure.
A. P = 21 in.; A = 98 in.2 B. P = 28 in.; A = 98 in.2 C. P = 28 in.; A = 49 in.2 D. P = 14 in.; A = 49 in.2
Mathematics