Aplumber charges $75 per hour and spends $30 a
day on gasoline. write an algebraic expression to
represent his earnings for one day. lets represent
the number of hours the electrician works in one
day.

E = 75x - 30

Step-by-step explanation:

E = earnings

X = hours worked

60

step-by-step explanation:

every triangle measures a total of 120 degrees. you have to find angle c. we know that isosceles triangles angles are equal. 60 degrees plus 60 degrees gives you 120.