Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x)=x-9/x+5
g(x)=-5x-9/x-1

∠1 and ∠2 are complementary. ∠1=x°∠2=(3x+30)° select from the drop down menu to correctly answer the question. what is the value of x? . a.15 b.25 c.30 d.40 e.55

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?