If you were to use the substitution method to solve
6x – y = 1
4x – 3y = –11

choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation.

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent