Simplify the expression using the order of operations.2[(5 + 2? 72) - 5( 7 - 3)]
A. 166
B. 130
C. 168
D. 246
Answer: A
Mathematics
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = cos 
t, s(0) = 1
A. s = 2? sin 
t
B. s = sin t
C. s = 
sin 
t + ?
D. s = 
sin 
t
Mathematics
Solve the given equation by finding the unknown value.6 + ? = 19
A. 25 B. 13 C. 114 D. 11
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
? 
A. 4x
B. 4
C. x
D. 
Mathematics
Specify the center and radius of the circle.4x2 + 4y2 + 32x + 16y - 20 = 0
A. center: (-4, -2); radius: 5 B. center: (-2, -4); radius: 5 C. center: (2, 4); radius: 25 D. center: (4, 2); radius: 25
Mathematics