HELP!!

What is the 6th term of the geometric sequence when the first term is 6 and the common ratio is 7?

X+y=-4 x-y=2 use elimination with adding and subtraction

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample