27. What value of x makes this equation true?
12 x - 15 = 6 - 3 x

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

What is the total surface area of this square pyramid?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?