In 2010, josh purchased a house for $110,000. in 2014, the house was valued at $105,000. what is the rate of change for the value per year?

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

Evaluate the following expression 1/3^2

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.