Graph the ellipse.x2 + 49y2 = 49
A. 
B. 
C. 
D. 
Answer: C
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Solve the equation.x2 - x = 72
A. {1, 72} B. {-8, 9} C. {8, 9} D. {-8, -9}
Add.(-0.9p3q2 + 5.1pq) + (2.1p2q3 - 1.2pq)
A. 2.1p2q3 + 3.9pq B. -0.9p3q2 + 2.1p2q3 + 3.9pq C. -0.9p3q2 + 2.1p2q3 - 3.9pq D. 1.2p3q2 + 3.9pq
The average number N of prey that certain predators will consume depends on the density D, in number per square foot, of the prey. The relationship is
.
?
What is the largest average number of prey that predators will consume no matter what the density of the prey is? Round your answer to two decimal places, if necessary.
?
A. 2 B. 6 C. 3.00 D. None of the above
Solve.Howard builds patio chairs and dog houses that he sells at the local flea market. It takes him 4 hours to build a dog house and 5 hours to build a patio chair. Howard can work no more than 40 hours per week and he must produce more dog houses than chairs. Further, he wants to build at least 7 items each week. Write a system of inequalities to describe this situation and solve the system by graphing. Use D for the number of dog houses and P for the number of patio chairs produced each week.
A. 
B. 
C. 
D. 