Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(13x + 11)(13x - 11)
A. 169x2 - 286x - 121
B. 169x2 - 121
C. x2 - 121
D. 169x2 + 286x - 121
Answer: B
Mathematics
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Use the even-odd identities to find the exact value of the expression. csc (-30°)
A. - 
B. 
C. -2
D. 2
Mathematics
Determine the nature of the system of equations.
A. Consistent with dependent equations B. Inconsistent with independent equations C. Consistent with independent equations
Mathematics
Factor completely. If prime, so state.81x2 + 49y2
A. (9x - 7y)2 B. (9x + 7y)(9x - 7y) C. (9x + 7y)2 D. prime
Mathematics
Find f[g(x)] and g[f(x)].f(x) = 
; g(x) = 2x3
A. f[g(x)] = 1/x3 ; g[f(x)] = 4/x3 B. f[g(x)] = 4/x3 ; g[f(x)] = 1/x3 C. f[g(x)] = 1/x3 ; g[f(x)] = 16/x3 D. f[g(x)] = 16/x3; g[f(x)] = 1/x3
Mathematics