Solve the problem.An aircraft going from Atlanta to Savannah on a heading of 130° (from north) is travelling at a speed of 500 miles per hour. The wind is out of the north at a speed of 22 miles per hour. Find the actual speed and direction of the aircraft, rounded to the nearest whole number.
A. 697 miles per hour; 131° from north
B. 486 miles per hour; 132° from north
C. 493 miles per hour; 132° from north
D. 514 miles per hour; 132° from north
Answer: D
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The graph shows a region of feasible solutions. Find the maximum or minimum values of the given expression.Find the maximum and minimum of 16x - 20y.
A. -120, 0 B. -80, -120 C. 80, -120 D. 80, 0
Solve the problem.A deli sells three sizes of chicken sandwiches: the small chicken sandwich contains 4 ounces of meat and sells for $3.00; the regular chicken sandwich contains 8 ounces of meat and sells for $3.50; and the large chicken sandwich contains 10 ounces of meat and sells for $4.00. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 52 sandwiches made from 22 pounds 4 ounces of chicken for a total cost of $178. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)
A. 24 small sandwiches, 10 medium sandwiches, 18 large sandwiches. B. 20 small sandwiches, 22 medium sandwiches, 10 large sandwiches. C. 18 small sandwiches, 12 medium sandwiches, 22 large sandwiches. D. 22 small sandwiches, 16 medium sandwiches, 14 large sandwiches.
Use the graph of y = f(x) to find the function value.f(-3) 
A. 4 B. -4 C. 1 D. -1
Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined B. Zero C. Negative D. Positive