The variable y has a proportional relationship with x as suggested by the graph. Use the graph to find the constant of proportionality. 0 1 2 3 4 5 6 7 8 9 10 0 38 76 114 152 190 228 266 304 342 380 x y A horizontal x-axis is labeled from 0 to 10. A vertical y-axis is labeled from 0 to 380. A line rises from left to right and passes through the origin, (0, 0), and (1, 38). The constant of proportionality is nothing. (Simplify your answer.)

Find an equation of the line perpendicular to the graph.

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.

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.