Solve the problem.Suppose that Janine desires 46 grams of protein and 38 grams of dietary fiber daily. One serving of kidney beans has 8 grams of protein and 6 grams of dietary fiber. One serving of refried pinto beans has 6 grams of protein and 6 grams of dietary fiber. If a serving of kidney beans costs $0.45 and a serving of refried pinto beans costs $0.35, then how many servings of each should Janine eat to minimize cost and still meet her requirements? Fractional servings are allowed.
A. 4 servings of refried pinto beans and 
servings of kidney beans
B. 
servings of kidney beans and 0 servings of refried pinto beans
C. 
servings of refried pinto beans and 0 servings of kidney beans
D. 
servings of refried pinto beans and 4 servings of kidney beans
Answer: D
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Give a verbal description of the subset of real numbers represented by the inequality, and sketch the subset on the real number line. ? 0 < x ? 8 ?
A. 0 ? x ? 8 denotes the set of positive real numbers less than or equal to 8.
B. 0 < x > 8 denotes the set of positive real numbers greater than 8.
C. 0 < x < 8 denotes the set of positive real numbers less than 8.
D. 0 < x ? 8 denotes the set of positive real numbers greater than or equal to 8.
E. 0 < x ? 8 denotes the set of positive real numbers less than or equal to 8.
Provide an appropriate response.When solving a system of equations, you get x - 2 = x - 2. How many solutions are there?
A. No solutions B. Infinitely many C. One solution
Provide an appropriate response.Find the polar coordinates of a vector in standard notation that has rectangular coordinates of (-2, 4). Report the angle coordinate in radians.
A. (4.5, -63.4°) B. (3.5, 0.03°) C. (-4.5, 63.4°) D. (-4.5, -26.6°)
Write as a single interval.(-?, 5) ? (2, ?)
A. ? B. (2, 5) C. (2, ?) D. (-?, ?)