Please help me with this math question, try and explain it too if possible so I can understand.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

What is the area of the shaded sector?

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?