There are triple the amount of kids "k" in the park today. The number of kids decreased by 12 as is started to rain. Write a
algebraic expression to represent the word problem.

Pls! does anybody know a shortcut for answering these types of questions in the future?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16