A father can do a certain job in x hours. His son takes twice as long to do the job. Working together they can do the job in 6 hours. How many hours does the father take to do the job?​

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

3/4 = c/36 i need with this fraction proble.

"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?