please help! write an expression for the 15th partial sum of the series 5/3 + 4/3 + 1 + ... using summation notation.

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?