Help plz im timed on this so plz hurry Which expression represents the distance between point (0, a) and point (a, 0) on a coordinate grid?

StartRoot 2 a squared EndRoot

StartRoot a Superscript 4 Baseline EndRoot

StartRoot 2 a Superscript 4 Baseline EndRoot

0

What is 60.9643790503 to 5 decimal

If (x) = 3х - 2 and g(x) = 2х+ 1, find (f- g)(x). оа. х- з ов. 3-х ос. 5x - 1 od. 5x - з

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence