Find the square.(7a - 11)2
A. 49a2 - 154a + 121
B. 49a2 + 121
C. 7a2 - 154a + 121
D. 7a2 + 121
Answer: A
Mathematics
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Find the quotient.-44 ÷ (-2)
A. 12
B. -22
C. 22
D.
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Simplify the expression. Assume that all variables are positive when they appear.
A. x
B.
C. x6
D. x4
Mathematics
Evaluate the limit.
A. 0
B. 1
C. ?
D.
Mathematics
Determine whether the equation is an identity. If it is an identity, prove it.-(2 sin x + cos x)2 - (2 cos x - sin x)2 = -5
What will be an ideal response?
Mathematics