Step by step please? I’m genuinely confused. (Arc length and sector area) I’ll mark for brainliest!

What is the y intercept of f(x)=(1/2)^x?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Avegetable farmer fills of a wooden crate with of a pound of tomatoes. how many pounds of tomatoes can fit into one crate? a. 14/15 of a pound b. 2 1/10 pounds c. 1 1/14 pounds d. 10/21 of a pound