125.7 - (-1.82) . i know the answer bcz i looked it up i just need to know how to find the answer so i can right it down plzzz

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

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.

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.