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.

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

What is the square root of 45? (step by step working plz)

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.