Any help would be greatly appreciated

What is the equation of the graph below? y=sec(x)-4

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall