Question: i NEED help with CALCULUS. PLEASE SHOW WORK THANK YOU so much 6) A hot air balloon rising straight up from a level field is

i NEED help with CALCULUS. PLEASE SHOW WORK THANK YOU so much

6) A hot air balloon rising straight up from a level field is tracked by a range finder 150m from the liftoff point. At the moment the range finder's elevation angle is /4, the angle is increasing at the rate of 0.14 rad/min. How fast is the balloon rising at the moment? (5 pts.) 7) A rectangle is to be inscribed in a semicircle of radius 2. What is the largest area the rectangle can have, and what are its dimensions? (5 pts.)

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