Find the center and radius of the circle.x2 + 16x + 64 + y2 - 14y + 49 = 36
A. (7, -8), r = 6
B. (8, -7), r = 36
C. (-7, 8), r = 36
D. (-8, 7), r = 6
Answer: D
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Solve the problem.A dietitian needs to purchase food for patients. She can purchase an ounce of chicken for $0.25 and an ounce of potatoes for $0.02. The dietician is bound by the following constraints.? Each ounce of chicken contains 13 grams of protein and 24 grams of carbohydrates.? Each ounce of potatoes contains 5 grams of protein and 35 grams of carbohydrates.? The minimum daily requirements for the patients under the dietitian's care are 45 grams of protein and 58 grams of carbohydrates. Let x = the number of ounces of chicken and 
number of ounces of potatoes purchased per patient. Write a system of inequalities that describes these constraints.
A. 
B. 
C. 
D. 
Evaluate 0!
a. 0 b. 1 c. 10 d. undefined
Prove that the identity is true.
?
What will be an ideal response?
Solve by addition or substitution. x + 2y = 22x - 5y = -5
A. (1, 1) B. (1, 0) C. (0, 1) D. (0, 0)