Sequences of Partial Sums. Part 1. Compute the first four terms of the sequence of partial sums for the series: Note: answers should be simplified and should not contain decimals. Part 2. Find a formula for the partial sum, , that depends only on .

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?