Idon't understand explain i would really appreciate it(srry for caps)

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Find the missing variable for a parallelogram: a = latex: 32in^2 32 i n 2 h = b = 6.3 in (1in=2.54cm)

Identify the parent function that can be used to graph the function f(x)=3(x-9)2