Erica used friendly numbers to find 43-19. she added 1 to 19 and subtracted 1 from 43. what is erica's error?

Match each expression with its simplified form.

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

Which graph represents the given linear function 4x+2y=3