Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.20y4 - 5y3 - 9

A. Trinomial, degree 8
B. Trinomial, degree 7
C. Trinomial, degree 4
D. Binomial, degree 4


Answer: C

Mathematics

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Solve the problem.Northwest Molded molds plastic handles which cost $0.70 per handle to mold. The fixed cost to run the molding machine is $1613 per week. If the company sells the handles for $1.70 each, how many handles must be molded and sold weekly to break even?

A. 2304 handles B. 672 handles C. 1613 handles D. 1075 handles

Mathematics

Evaluate the expression without using a calculator, or state that the value does not exist. Simplify the answer to the extent possible.sech-1(ln 4)

A.
B.
C. does not exist
D.

Mathematics

Evaluate or simplify the expression without using a calculator.log 

A. -4
B.  
C. 4
D. - 

Mathematics

Give all possible rational zeros for the polynomial.f(x) = 13x24 + 23x18 + 2x - 26

A. ±1, ±2, ±13, ±26
B. ±1, ± , ±2, ±13, ±26
C. ±1, ± , ±2, ± , ±13, ±26
D. ±1, ± , ±13, ± , ± , ± 

Mathematics