Acompany rents a biycycles for a fee of $10 plus $4 per hour of use. write an algebraci expression for the total cost in dollars for renting a bicycle for h hours

Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?

I’m stuck on this equation, anyone got the answer?

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs