What is 3,256,423,865 rounded to the nearest million

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?