Find an equivalent expression.cot 
A. - tan x
B. - cot x
C. cot x
D. tan x
Answer: A
Mathematics
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Use the distributive property to write the sum as a product.20 ? 1 + 20 ? z
A. (20 + 20z) B. 21(z) C. (20z) D. 20(1 + z)
Mathematics
Factor the polynomial.1000c3 + 343
A. (1000c + 7)(c2 - 70c + 49) B. (10c + 7)(100c2 + 49) C. (10c + 7)(100c2 - 70c + 49) D. (10c - 7)(100c2 + 70c + 49)
Mathematics
Graph the polynomial function.P(x) = -3x(x + 2)(x + 1) 
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 
B. y - 7
C. 
D. 
Mathematics