HELP! Which answer is the explicit rule for the sequence 2, 9, 16, 23, 30 ...?

What is the sum or difference 4x10 – 9x10 (1 point) –5x10 –5x20 –36x10 –36x20 this is the cca test i need all the answers this is the first 2

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7