How many lines of symmetry dose this regular pentagon have

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought

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

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?