Provide an appropriate response.Explain the purpose of each "-" sign in these examples. (a) 9 - 3 
(c) -(-7)
What will be an ideal response?
(a) subtract (b) negative sign (c) opposite of negative number
Mathematics
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Find the root. Round to three decimal places if necessary.-
A. 16 B. 6.233 C. -4 D. Not real number
Mathematics
Rewrite the expression in terms of the given function or functions.(sec x + csc x) (sin x + cos x) - 2 - cot x; tan x
A. 2 + tan x B. 2tan x C. 0 D. tan x
Mathematics
Simplify the radical.- 
A. -12
B. -14
C. -24
D. -84
Mathematics
Use the Pythagorean identity.Find sin ?, given that cos ? = 
and 
? ? < 2?
A. - 
B. - 
C. -
D. - 
Mathematics