Is 80 a multipul of 10 Asap help or i'll fail

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.

If square root x = -7, then x= -49 true or false

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?