What is the value of the digit in ten thousand places in the number 492 308

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.