Don was asked to write an equation and solve this probl
a group of eight friends bought tickets to an amusement park and spent $134 total. how much did each ticket cost?
don's work is shown below.

Can someone explain to me how to do

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9