Please Help, it’s needed.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers