Define variable and give an example of how a variable is used in a equation.

10% of 1,900,000. show me how you got the answer

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

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