16x^4 -81 =(ax^2+b)(cx+d)(cx – d) In the equation above, a, b, c, and d are constants. If the equation is true for all values of ac,
what is the sum of a, b, c, and d?

James needs to move this box. he has already checked it and knows it is not too heavy for him to lift. he also has a clear path and a place to safely set down the box. tell james what to do next to safely lift this box by placing the steps in the correct order. place the options on the left in the correct sequence by dragging them to the appropriate answer box to check your answer.

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.