Alright, let's do all of these (though this is a bit long). 1. The constant is 1.8. All other values are coefficients to variables, which as the name implies will change. 2. 1 hour is 60 minutes, 1 minute is 60 seconds. So, 4.2 *60 *60 = 15120 seconds. 3. <span>−5x−4(x−6)=−3-5x-4(x-6)=-3 Let's move all x to one side, and all other numbers to another. -5x-4(x-6)=-3-5x-4(x-6)=-3 x can be any value you want, if you actually solve this you'll only end up with -3 = -3, which is correct, of course. Let me show you: </span><span>−5x−4(x−6)=−3-5x-4(x-6)=-3 +5x +4(x-6) +5x +4(x-6) -3 = -3 The value of x is irrelevant, then. X can be any real number. 4. I'm going to assume it was an error in printing with this? If not please correct me. m=a+2b(or b2) subtract 2b from each a=m-2b (This question seems kind of odd. We should probably address this in the comments.) 5. </span><span>5(x−2)<−3x+6 Move all x to one side, numbers to other. 5x-10<-3x+6 +3x +3x +10 +10 8x<16 /8 <span>x < 2 </span>6. y-3=3(x-5) alright, to find zeros set one variable to zero and solve x first -3=3x-15 +15 +15 3x=12 /3 x=4 x-int is (4,0) now y </span>y-3=3(0-5) y-3=-15 +3 +3 y=-12 so y-int is (0,-12) i've got to sleep now so i'll do the rest tomorrow. Sorry for the incomplete answer.
Mark owns a cattle ranch near Hugo, Oklahoma. Mark is currently producing beef at an output level where marginal revenue exceeds marginal cost. In order to
maximize his profit, Mark should increase his output.
