I'm stuck on more math ya- Write and solve a proportion to answer the questions. If the answer is a fraction, write the answer in simplest form.*

Question:
What number is 25% of 72?

Question:
82 is what percent of 21?

In what organelle does photosynthesis take place?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points