Everyone is so active today! normally it takes a week to get one answer, and when i finally get it, it's either spam or someone suggesting i search google (the nerve of some people). now, i'm getting two answers within 30 seconds, which are usually correct!

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Plz hurry evaluate the expression a+b where a=8 and b=19

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.