Will mark brainliest if correct and all parts of the question 1. a box without a top is to be made from a rectangular piece of cardboard, with dimensions 8 in. by 10 in., by cutting out square corners with side length x and folding up the sides. (a) write an equation for the volume v of the box in terms of x. (b) use technology to estimate the value of x, to the nearest tenth, that gives the greatest volume. explain your process.

i need more info. are you looked to see there mph? how much they deliver? how far they go?

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this