Need some answers preferably in the next 24 hours 4 ^-2 x 4^-4

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads