Steven charges the following for repairing washing machines: £24 call-out charge + £14 for each half-hour he spends on the repair
if a repair costs a customer £66, how long did it take?

What is the approximate circumference of the circle shown below?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?