Which of these figures has rational symmetry?

a is the answer parallelogram is a rotational symmetry

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.