An arrow is shot up in the air from a height of 3 feet. The height of the arrow, in feet, can be modeled with the function h=−2t2+12t+3, where h is the height in feet and t is the time in seconds. Enter the average rate of change, in feet per second, from 1 second to 4 seconds.

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.

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Which number line represents the solution set for the inequality - x 24?