Evaluate the expression for the given value of the variable.
for a = 7
A. - 
B. - 
C. 
D. 
Answer: B
Mathematics
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Solve the system. Indicate all corner points and shade the solution set.3x - 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics
Tell whether the statement is true always, sometimes, or never.A polynomial is a trinomial.
A. Always B. Never C. Sometimes
Mathematics
Solve the problem.Find sin 
, given that sin ? = - 
and ? terminates in 270° < ? <360°.
A. - 
B. - 
C. 
D. 
Mathematics
Give the maximum number of zeros the polynomial function may have. Use Descarte's Rule of Signs to determine how many positive and how many negative zeros it may have.f(x) = x8 - 8
A. 8; 0 positive zeros; 0 negative zeros B. 8; 1 positive zero; 1 negative zero C. 8; 1 positive zero; 0 negative zeros D. 8; 0 positive zeros; 1 negative zero
Mathematics