P(x) = x4 – 2x3– 11x2+ 30x – 20 y Q(x) = x2 + 3x – 2 Hallar: a) P(x) · Q(x);
b) P(x) : Q(x);
c) P(x) + Q(x);
d) P(x) - Q(x)

Por Favor Ayudenme son Polinomios y es para mañana ​

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?