Evaluate the expression.4 ? 7 - 82
A. 36
B. 420
C. -36
D. 224
Answer: C
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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. 10.0 sec B. 2.8 sec C. 3.0 sec D. 13.5 sec
Decompose the fraction into partial fractions.
?
What will be an ideal response?
Solve the problem.Two hikers on opposite sides of a canyon each stand precisely 525 meters above the canyon floor. They each sight a landmark on the canyon floor on a line directly between them. The angles of depression from each hiker to the landmark meter are 37° and 21°. How far apart are the hikers? Round your answer to the nearest whole meter.
A. 2064 m
B.
| 2063 m |
C. 2065 m
D. 1064 m
Find the exact value of y, or state that y is undefined.y = sin-1 
A. - 
B. 
C. 
D. 