The points P, Q, R and 8 all lie on the same line segment, in that order, such that the ratio of PQ! QR: RS is equal to 1:3 : 1. If PS = 35, find pr.

Aand b are correctly balanced reactions. they have the same number of atoms in both sides of the reaction

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?