Shade the region in the xy-plane that satisfies the system of inequalities.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9
A. 
B. 
C. 
D. 
Answer: C
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Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.
A. entirely negative: 
; entirely positive: 
B. entirely negative: 
; entirely positive: 
C. entirely negative: 
; entirely positive: 
D. entirely negative: 
; entirely positive: 
E. entirely negative: 
; entirely positive: 
Solve the problem. Round your result to an appropriate number of significant digits.In order to measure the distance across a pond (from A to B), Raul made the measurements shown in the drawing. What is the distance?
A. 140 ft B. 190 ft C. 130 ft D. 210 ft
Walls A, B and C form an isosceles triangle. Find length a. c = 10 M b = 10 M A = 50ø
a. 10 M
b. 5 M
c. 10 M
d. 8.45 M
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 