Use a vertical format to find the product.3y3 - 5y2 + 4y - 7
A. -12y4 + 20y3 - 16y2 + 28y
B. 9y4 - 36y3 + 47y2 - 49y + 49
C. -12y4 - 50y3 + 40y2 - 70y
D. 9y4 + 6y3 + 47y2 + 7y - 49
Answer: B
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Show that the points form the vertices of the indicated polygon. ? Isosceles triangle: (7, -6), (9, 8), (-5, 6) ?
A. Distances between the points: 
B. Distances between the points: 
C. Distances between the points: 
D. Distances between the points: 
E. Distances between the points: 
Solve the problem.The function F described by F(C) = 
C + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find the Fahrenheit temperature equivalent to -5°C.
A. 14°F B. 23°F C. -4°F D. 5°F
Solve the equation. State whether the equation is a contradiction, an identity, or a conditional equation.19x + 7(x + 1) = 26(x + 1) - 19
A. all real numbers; identity B. ? or { }; contradiction C. {1}; conditional equation D. {0}; conditional equation
Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line.
