Refer to the figure in which AB ll CD. Answer true or false.
1. AD ll BC
2. m
3. mBAD = 105°
4. AB ? BC
1. True
2. True
3. False
4. False
Mathematics
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Decide whether the statement makes sense. Explain your reasoning.Alex won by the Borda method, but Tom won by the method of sequential runoffs.
What will be an ideal response?
Mathematics
The graph of f(x) = ax2 + bx + c is given in the figure. Determine whether the discriminant is positive, negative, or zero.
A. Zero B. Negative C. Positive
Mathematics
Perform the indicated operations.( 6x2 - 5xy - 5) + ( -9x2 - 4x + 8)
A. -3x2 - 5xy - 4x + 3 B. 15x2 - 5xy - 4x + 13 C. -3x2 - 9xy + 3 D. -3x2 - 9xy - 13
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics