Solve by the quadratic formula. If there are no real roots, say so.4x2 + 10x = -2
A. x = 
B. x = 
C. x = 
D. x = 
Answer: B
Mathematics
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Find the total area of the region between the curve and the x-axis.y = -x2 + 9; 0 ? x ? 5
A. 
B. 
C. 
D. 
Mathematics
Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if tan ? = 
, then find the value of sin ?.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The single discount equivalent of 20/20/20 is 0.488.
A. True B. False
Mathematics
Perform the indicated operations and write the result in standard form.(
- 
)(
+ 
)
A. 6 - 25i B. 31 C. -19 D. 6 + 5i
Mathematics