Please select the correct answer. Which expression is a prime polynomial?

A. x^3 - bx^2

B. x^2 - 4x - 12

C. x4 + 8xy^3

D. x^2 - b^3

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.