How many liters each other 50% acid solution in a 65% acid solution must be used to produce 60 L of a 55% acid solution

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?

Give me the equations of two lines that have the same slope but are not parallel.

The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40