Dena bought a concert ticket or a total of $89.60. The total included a 12% surcharge what was the price of the ticket without the surcharge? $9.60
$101.82
$78.75
$80.00

Which one ?

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i