Solve the general form with solution
16x²+y-80x-40=0

pleasee po

Alarge patio is a rectangle measuring 48ft by 140ft. what are the dimensions of the largest square tile that can be used to pave the whole patio?

Four teachers can finish interviewing 100 applicants for the school entrance examination in 5days.if the interview period is to be finished in 2 days only,how many teachers should there be? ​

Find the derivative of y=(1-2x)²/x​