Four dozen bagels cost $30 how much change will you receive if you pay for a dozen bagels with a $10 bill

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.

Which of the following expressions is equal to 2x^2+8

For what values of x is x2 + 2x = 24 true?