Find the sum of the series and show your process for finding each term leading to the final sum.

∑5k=3(−2k+5)

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?