Evaluate the expression.7(4 - 6)2
A. -14
B. 4
C. 28
D. -28
Answer: C
Mathematics
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Solve the problem.Find the vector from the origin to the center of mass of a thin triangular plate (uniform density) whose vertices are A(10, 4, 2), B(7, 9, 5), and C(2, 8, 10).
A. 
i + 7j + 
k
B. 
i - 
j - 8k
C. 
i - 1j - 
k
D. 
i - 
j - 
k
Mathematics
Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t, y = 
, t = 8
A. y = 
x
B. y = - 
x
C. y = 
x + 2
D. y = - 
x - 2
Mathematics
Determine whether the slope of the line is positive, negative, zero, or undefined.
A. undefined B. negative C. positive D. zero
Mathematics
Write percent as a decimal.0.8%
A. 0.0008 B. 0.008 C. 0.08 D. 80
Mathematics