Use a system of linear equations to solve the problem.The Tigers played 50 games last season. They lost 12 more games than they won. How many games did they win that season?
A. 18 games
B. 19 games
C. 20 games
D. 17 games
Answer: B
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(5 + j9) - (2 + j3) =
a. 3 - j6 b. 7 + j12 c. 7 - j6 d. 3 + j12 e. 3 + j6
Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.t-8 ? t4 ? t-6
A. 
B. 
C. t18
D. t10
Find the rule that defines each piecewise-defined function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Solve.A plane flying with a tailwind flew at a speed of 420 mph, relative to the ground. When flying against the tailwind, it flew at a speed of 310 mph. Graph the system to find the speed of the plane in calm air and the speed of the tailwind.
A. Speed of plane: 375 mph Speed of tailwind: 45 mph B. Speed of plane: 45 mph Speed of tailwind: 375 mph C. Speed of plane: 55 mph Speed of tailwind: 365 mph D. Speed of plane: 365 mph Speed of tailwind: 55 mph