There were 60 seventh grade students who signed up for a soccer tryouts last year. this year ,48 seventh grade students sign up for tryouts. what is the percent decrease in the number of students from last year to this year show your work

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b