The tables show some input and output values:
table a
input output
1 7
2 9
3 9
4 5
table b
input output
6 1
7 3
7 2
8 5
which tables represent functions?
only a
only b
both a and b
neither a nor b

1. are the triangles similar and if so why? what is the value of x? show your work.

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Anyone know? will mark brainliest if you're correct!