Solve the problem.The floor plan of a building is shown in the figure below. Starting outside, is it possible to walk through each door exactly once, and end up back outside? Justify your answer.
What will be an ideal response?
Yes. Each room (including "outside") has an even number of doors. Thus, an Euler circuit is possible.
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Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Use the Mathematics Blueprint for Problem Solving to solve.Jasmine wanted to determine the gas mileage she was getting on her car. She filled the gas tank on her car when the odometer read 24,777 miles. After 11 days the odometer read 25,129 miles and it took 8 gallons of gas to fill the tank. How many miles to the gallon did Jasmine's car achieve?
A. 352 miles per gallon B. 44 miles per gallon C. 347 miles per gallon D. 32 miles per gallon
Complete.673.1 mg = 
mcg
A. 6.731 B. 67,310 C. 0.6731 D. 673,100
Simplify. Assume that variables can represent any real number.
A. 81
y2
B. 3
y2
C. 3
D. 3xy2