Can some one be my friend you can be a boy or a girl and you have to be 12 or 13 or 14 depends

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?