By the time they finish their hike, Luis and his mother 50 miles. Is the answer :
a) will have hiked
b) will be hiking
c) are hiking
d) will hike

the answer is A.

Explanation:

By the time they have finished their hike, Luis and his mother will have hiked 50 miles... "hikED" is showing that they have already finished and in the begging of the sentence it says "by the time they finish their hike".

purr i ate tbh lol anyways good luck

the answer can be "credo" it means to believe = the word credo means "an official statement of beliefs"

you can earn the crowns by answering others questions an being selected brainliest if your answer is the best.

good luck: )