Solve this logic number sequence puzzle by the correct digit

8080 = 6

1357 = 0

2022 = 1

1999 = 3

6666 = ?

A pyramid has a base area of 60.5 cm^2 and a height of 12 cm what is the volume of the pyramid

Four married couples have bought 8 seats in the same row for a concert. in how many different ways can they be seated

Least to greatest 7.618,7.681,7.6801,7.0681

The equation of a line is given below: -3x-6y=-6 Find the slope and the y-intercept.

When planning his crops, farmer tim knows that his 7 acres can support peas and carrots. he wants to make $7,000 from his crops. he can make $2,000 per acre of peas (the variable p) and $1,000 per acre of carrots (the variable c).

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.