An airplane flies at an altitude of 6 miles toward a point directly over an observer. Consider and x as shown in the figure. (a) Write as a function of x.
(b) Find when x = 11 miles and x = 4 miles. (Enter your answers in radians rounded to two decimal places.)

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?