Simplify the rational expression.
A. y2 + 7y + 49
B. 
C. y2 - 49
D. 
Answer: A
Mathematics
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t2 - 3)i + (2t - 10)j + 6k; osculating plane at t = 9.
A. z = 6 B. x + y + (z - 6) = 0 C. x + y + (z + 6) = 0 D. z = -6
Mathematics
Provide an appropriate response.When does the solution of a linear equation not require the use of the Multiplication Property of Equality?
What will be an ideal response?
Mathematics
Complete the trinomial so it is a perfect square.x2 + 
x + 
A. 
B. 
C. 
D. 
Mathematics
Verify the identity.sec4 x - tan4 x = sec2 x + tan2 x
What will be an ideal response?
Mathematics