Estimate the value of a 9% tip on a bill of $51.30.

In the diagram, gef and hef are congruent. what is the value of x

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30