(algebra) i think of a number add 3 to it and multiply the result by seven what is the answer

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 perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

What is coefficient of the term of degree of degree 5 in the polynomial below