A piece of blue yarn is 5 2
7
yards long. A piece of pink yarn is 4 times as long as the blue yarn. What is the total length of the blue and pink yarn?

Find the solution of system of equation y= x-4 y=4x+2

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

Me because some of question i don’t understand