Mary has $10 in her savings account. she owes her parents $50. she does some chores and her parents pay her $12. she also gets $25 for her birthday from her grandma. does mary have enough money to pay her parents what she owes them? if not, how much money does she need? explain?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Place the following steps in order to complete the square and solve the quadratic equation,