Factor and, if possible, simplify the expression.sin2x + sin2x cot2x
A. sin2x + 1
B. cot2x + 1
C. 1
D. cot2x - 1
Answer: C
Mathematics
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Find the values of a, b, and c for which the quadratic equation ax2 + bx + c = 0 has the given numbers as solutions. Then use those values to write a quadratic equation.-4, -5
A. x2 + 20x + 9 = 0 B. x2 - 9x + 20 = 0 C. x2 + 9x + 20 = 0 D. x2 + 20x - 9 = 0
Mathematics
Plot the given point in the rectangular coordinate system.(1, 6)
A. 
B. 
C. 
D. 
Mathematics
Find the mean of the given data set.7.8 m, 8.7 m, 5.5 m, 8.7 m, 5.3 m
A. 6 m B. 7.8 m C. 7.2 m D. 8.7 m
Mathematics
Determine whether the argument is valid or invalid.p ? q
p
A. Valid B. Invalid
Mathematics