Factor by grouping.x4 - 7x3 + 6x - 42
A. (x3 - 6)(x - 7)
B. (x2 + 6)(x - 7)
C. (x3 + 6)(x - 7)
D. (x3 + 6)(x + 7)
Answer: C
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Provide an appropriate response.Find 350% of 42. Use the percentage proportion.
A. 1,470 B. 147 C. 14.7 D. 14,700
Write the decimal as a percent.3.00
A. 30% B. 0.03% C. 0.3% D. 300%
Solve.Elaine has a grassy patch of land on her farm that is a rectangle measuring 20 feet by 50 feet. So her goat can eat grass while Elaine is busy with other farm work, she drove two posts into the ground and fastened a rope to each post, passing the rope through a metal ring on the goat's collar. When the goat pulls on the rope while walking, its path is an ellipse. (See the figure.) If the goat can just reach all four sides of the rectangular patch, find the equation of the elliptical path.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Determine the number that will complete the square to solve the equation after the constant term has been written on the right side. Do not actually solve.w2 + 6w + 8 = 0
A. 16 B. 0 C. 3 D. 9