Find the value of the expression using the given values.-3xy + 4y - 4x = -1, y = -1
A. -7
B. -5
C. -11
D. -3
Answer: C
Mathematics
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Find the indicated trig function of ?, if ? is an angle in standard position with the terminal side defined by the given point.Given (4.9, 9.3); Find csc ?.
A. 0.88 B. 1.1 C. 2.1 D. 0.47
Mathematics
Identify the property that allows you to conclude that the triangles are congruent. Or, if such a conclusion cannot be made, answer "None."
A. ASA B. SSS C. SAS D. None
Mathematics
Find the integer pair that has the given product and sum.Product: 72Sum: 17
A. 8, 9 B. 8, 17 C. -8, 9 D. -8, -9
Mathematics
Write an augmented matrix for the system of equations. 3x + 9z = 12 8y + 6z = 68 9x + 7y + 8z = 47
A. 
B. 
C. 
D. 
Mathematics