A tutor earns $220 for 4 hours of tutoring. At the same rate, how much would the tutor earn for 3 hours of tutoring? A. $150
B. $155
C. $165
D. $180

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

What else equals 42 and 30 for multiply