Alarge company wants to administer a satisfaction survey to its current customers. using their customer database, the company randomly selects 8080 customers and asks them about their level of satisfaction with the company.
identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?