Find the reference angle.
? = 240°
A) 30° B) 40° C) 50° D) 60°
D) 60°
Mathematics
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Solve the formula for the given variable.V = lwh for w
A. w = Vlh
B. w = 
C. w = 
D. w = 
Mathematics
Perform the indicated operation.
A. 
B. -8
C. -2
D. 2
Mathematics
Determine if the given ordered triple is a solution of the system.(-2, -5, 0) x - y + 2z = 14x+ z = -2 x + 2y + z = -12
A. solution B. not a solution
Mathematics
Solve the problem. Use 3.14 for ?. Round to the nearest tenth.A cylindrical drain pipe is 5 in. across the top and about 12 in. high. How many cubic inches of water could it hold?
A. 376.8 in3 B. 235.5 in3 C. 942.0 in3 D. 471.0 in3
Mathematics