Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-75a2 - 95a + 50
A. (-25a + 10)(3a + 5)
B. -5(5a + 2)(3a - 5)
C. -5(5a - 2)(3a + 5)
D. (5a - 2)(-15a - 25)
Answer: C
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Solve the equation for solutions in the interval [0°, 360°). Round to the nearest degree.cos2 
= 1
A. {0°} B. {0°, 45°, 90°, 135°, 180°, 225°, 270°} C. {0°, 90°, 180°, 270°} D. {33°, 57°, 123°, 147°, 213°, 237°, 303°, 327°}
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = 2i - 2j,
w = -3i - j
A. v1 = 
i - 
j, v2 = 
i - 
j
B. v1 = 
i - 
j, v2 = - 
i - 
j
C. v1 = 
i - 
j, v2 = 
i - 
j
D. v1 = 
i - 
j, v2 = 
i - 
j
Add or subtract as indicated. Write the answer in simplest form. - 
+ 
- 
A. 
B. 
C. - 
D. - 
pis in dollars andqis the number of units. Suppose that the demand for a product is given by 
. Find the elasticity when 
. Round your answer to two decimal places.
A. -0.02 B. 1.92 C. 4.42 D. 5.19 E. 5.97