What makes the statement true? 7^-2=

If a =6, what is the value of 2a(3b + 5c)?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

How to use order of operation in 20 divide by 4 multiply 5 = 1