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?
A. 4 servings of refried pinto beans and 
servings of kidney beans
B. 
servings of refried pinto beans and no kidney beans
C. 
servings of refried pinto beans and 4 servings of kidney beans
D. 
servings of kidney beans and no refried pinto beans
Answer: C
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Evaluate the integral.
dx
A. - 
cot2 x - 
ln 
+ C
B. 
cot4 x sec x + C
C. 
cot4 x + C
D. 
cot2 x + ln 
+ C
Use the range rule of thumb to approximate the standard deviation.The race speeds for the top eight cars in a 200-mile race are listed below. Round results to the nearest tenth.188.5 188.6 189.2 187.2 175.6 178.5 176.8 185.4
A. 3.4 B. 1.1 C. 6.8 D. 7.5
Solve the problem.The cash price of a fitness system is $789.99. The customer paid $80 as a down payment. The remainder will be paid in 36 monthly installments of $24.96 each. Find the amount of the finance charge.
A. $898.56 B. $108.57 C. $184.97 D. $188.57
Solve the problem.One cook can make enough food for 350 people a night. How many cooks are needed to feed 1750 people a night?
A. 5 cooks B. 3 cooks C. 6 cooks D. 4 cooks