Which of these relations are functions?

y = 5x = - 2

y = 2x - 5

2y = x - 4

Eddie finds a good deal on a used car that he likes. He makes a down payment of $450 and pays $199 a month for 36 months. What is the deferred price of the car?

The sum of two numbers is 42 and the difference is 18

A share of stock decreased $2 in value each day for 7 days. Find the total change in the stock's value.

If I have 1 circle that is 5 inches in diameter, and i divide it it 7 inequal parts, what are the possibility of the diameters of each slice?

The average length of a yellow-banded anglefish is 12 inches. This is 4.8 times as long as an average common goldfish.

A nutrition label states that there are 36 grams of carbohydrates in each serving. this account for 12% of daily value. how many grams of carbohydrates are recommended per day?

The cosine of the complimentary angle to 58° a. 0.74 c. 0.83 b. 0.85 d. 0.94

What is the volume of the rectangular pyramid shown below? 9 in. 8 in. 7 in.

The senior class had a car wash to raise money for the senior trip. It cost them $35 for supplies. They washed 75 cars and charged $6 for each car.

William earns $15 each time (t) he mows a lawn. Which equation can be used to determine how many lawns William mowed if he earned $75?