Find the distance from the point A(2,−1) to the line y = −x+4. Round your answer to the nearest tenth. The distance is about units

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)