A baseball card was worth $120. Each year for x years, the card’s value, y, in dollars, decreased by $10. The owner sold the card after 5 years. The value of the card can be modeled using a linear function. What is the domain of the function?

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

I'm confused on this could anyone me and show me what i need to do to solve it.

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?