Graficar y encontrar la ecuacion de la pendiente en los siguientes problemas A(2,1);B(4,7)
A(7,8);B(-5,2)
A(-6,9);B(2,1)
A(-6,3);B(6,6)
A(2,7);B(6,-1)
A(5,3);B(3,7)
A(7,-2);B(-3,-4)
A(6,-4);B(0,-5)
A(9,0);B(2,7)
A(3,-3)B(-6,-)

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?