Introduce slack variables as necessary, and write the initial simplex tableau for the problem.Find x1 ? 0 and x2 > 0 such that x1 + x2 ? 303x1 + 2x2 ? 602x1 + 3x2 ? 90and z = x1 + 2x2 is maximized. 
A. 
B. 
C. 
D. 
Answer: C
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Solve the equation.a - 15.22 = 0
A. -15.22 B. -14.22 C. 14.22 D. 15.22
Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Using a calculator, solve the following problems. Round your answers to the nearest tenth.A boat leaves the entrance of a harbor and travels 86 miles on a bearing of N 58° E. How many miles north and how many miles east from the harbor has the boat traveled?
A. 72.9 miles north and 45.6 miles east B. 45.6 miles north and 72.9 miles east C. 86 miles north and 86 miles east D. 53.7 miles north and 137.6 miles east
A population growing at an annual rate r will triple in a time t given by the formula 
. If the growth rate remains constant and equals 8% per year, how long will it take the population of the town to triple? Round to one decimal place.
?
A. 13.7 years B. 0.9 year C. 2.1 years D. 6.2 years E. 6 years