What's the next two? -128, 64, -32, 16

The sum of a number and 5 times the number is 18.find the number

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

What is the correct answer? urgent you