Jennifer is planning a vacation. the hotel cost $60 per night and her flight costs $150 round-trip. she has a budget of $50 for the flight and hotel up to how many nights can she afford in hotel?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction

Similarly fie each expression 18,19,20