Estimate the answer to the problem.Ingred is planning a vacation to Colorado. Her round-trip airfare from Chicago, Illinois, to Denver, Colorado, totals $154. Car rental is $56 per day and her hotel is a total of $94 per day, and she estimates a total of $50 per day for food, gas, and miscellaneous items. If Ingred is planning on staying five full days and nights, estimate her total expenses.
A. $350
B. $1150
C. $1500
D. $1210
Answer: B
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Use the two steps for solving a linear programming problem to 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. 
servings of refried pinto beans and no kidney beans
B. 4 servings of refried pinto beans and 
servings of kidney beans
C. 
servings of kidney beans and no refried pinto beans
D. 
servings of refried pinto beans and 4 servings of kidney beans
Solve.The pitch of a roof is its slope. Find the pitch of the roof shown. 
A. 
B. 
C. 104
D. 
Identify the maximum and minimum values of the function in the interval [-2?, 2?]. Use your understanding of transformations, not your graphing calculator.y = -cos 8x
A. Maximum value = 8; minimum value = -8
B. Maximum value = 
; minimum value = - 
C. Maximum value = 1; minimum value = -1
D. Maximum value = 1; minimum value = 0
Use a calculator to give the real number value.sin-1(0.6561)
A. -0.71587301 B. 0.76825396 C. 0.715639280 D. 0.68095237