Help me answer Task 1. D & C, and Task 2. A & B! I will mare brainliest to the best answer! PLEASE HURRY

On a trip, you had to change your money from dollars to british pounds.  you got  560  pounds for  800  dollars.  which is a unit rate that describes the exchange

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?

What ia the sum if the first 7 terms of the geometric series