Simplify the expression using positive exponents only.6-6/7 ? 6-1/7
A. -68/7
B. -6
C. 
D. 
Answer: C
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Solve the problem.Peter's Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 10 feet wide and 4 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the coordinates of the point that would be the center of the circle. Also find the radius of the circle. Round to the hundredths place.
?a = 5
A. (0, -1.13); 5.13 B. (0, -1.03); 5.03 C. (0, -1.06); 5.06 D. (0, -11.25); 15.25
Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -x2 + 5 B. y = -(x - 5)2 C. y = -x2 - 5 D. y = -(x + 5)2
Represent the quantity with an integer.$384 loss
A. +384 B. -384
Complete the square and then use the shifting technique to graph the function.f(x) = x2 + 2x - 6
A. 
B. 
C. 
D. 