Kendrick travels 2/3 mile to his friend's house. he cycles 3/4 of this distance and walks the rest of the way. what fraction of a mile did he cycle?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?