Use the square root property to solve the equation. x2 = 25
A. {12.5}
B. {±5}
C. {5}
D. {±5i}
Answer: B
Mathematics
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Compute r''(t).r(t) = (8 cos t)i + (7 sin t)j
A. r''(t) = (8 sin t)i + (7 cos t)j B. r''(t) = (-8 cos t)i + (-7 sin t)j C. r''(t) = (-8 sin t)i + (-7 cos t)j D. r''(t) = (8 cos t)i + (7 sin t)j
Mathematics
Identify the equation as either an identity or not.
= cot 2x cot x
A. Identity B. Not an identity
Mathematics
Simplify.(mn)-7
A. m7n7
B. 
C. 
D. 
Mathematics
Write a negation of the statement. Not all people like football.
A. All people do not like football. B. Some people like football. C. All people like football. D. Some people do not like football.
Mathematics