15. apply mathematics (1)(a) suppose you have a box with a 4 x 4-in.
square base and variable height h. the surface area of this box is a
function of its height. write a function to represent the surface area.
evaluate the function for h=6.5 in.

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step-by-step explanation:

answer: the proof is mentioned below.

step-by-step explanation:

since, given:   lines bc = ef

prove:   lines ac > ef

          statements                                           reason

1. bc=ef                                           1. given

2. ac= ab+bc                                 2. because b is the point between the  

                                                            line segment ac

3.   ac > bc                                       3. because if a line segment is equal to

                                                          the sum of two line segments then it is

                                                          always greater then each of these

                                                          individual line segments

4. ac > ef                                         4. by equality property.

the best estimate is 3 because   8 can only go into 24 3 times

step-by-step explanation: