Find all values of ? in [0, 360°) for which the following is true.tan ? = 1
A. 45° and 315°
B. 45° and 225°
C. 135° and 225°
D. 225° and 315°
Answer: B
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The expression 
will tell you how high, in meters, you must raise the hammer of a pile driver when you know the mass (m) of the hammer in kg, and what potential energy (PE) in Joules is required. Find the height to which a 59-kg hammer must be raised to have 1780 J of potential energy.
A. 3.079 m B. 3.08 m C. 3 m D. 3.1 m
Find the least common multiple (LCM) of the pair of numbers.7 and 21
A. 147 B. 7 C. 21 D. 28
Determine whether the equation defines y as a function of x. x2 + 2y2 = 1
A. function B. not a function
Sketch the line that has the given slope and contains the given point.m = 
, (-5, 0)
A. 
B. 
C. 
D. 