Help pls I wasted :(
Btw don’t answer part a and part b I already solved them

This is a table of values that follows a given rule or function. each output comes from the input being applied to the rule.

How are algebraic expressions evaluated using substitution?

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)