Use the order of operations to simplify the expression.
? 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.The position of an object moving in a straight line is given by s = 2t2 - 3t, where s is in meters and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 meters?
A. 13.5 sec B. 2.8 sec C. 10.0 sec D. 3.0 sec
Solve the equation by completing the square.(x + 8)(x - 9) = 1
A. 
B. 
C. 
D. 
Evaluate the square roots first, then combine the results. Use a calculator or a square root table when needed. Round to the nearest thousandth.
+ 
A. 45.000 B. 8.557 C. 6.856 D. 10.557
Solve. Write the answer as a mixed number in simplest form.Daniel is 70
in. tall and his brother Tyler is 67
in. tall. How much taller is Daniel?
A. 2
in.
B. 3
in.
C. 3
in.
D. 2
in.