Find the value of 2 numbers if their sum is 9 and their difference is 1

What is the total surface area of this square pyramid?

If a is a nonzero real number then the reciprocal of a is

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