Help plz Simplify the expression below. If your answer is not a whole number, enter it as a fraction in lowest terms, using the slash mark (/) as the fraction bar.
-4•(7-4) - 6 / 6 +7

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?