In the diagram below of triangle BCD, E is a midpoint of BC and F is a midpoint of CD. If EF = 2x + 4, and BD 10x – 40, what is the measure of EF?
E
А
D

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

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?