Solve by substitution
x-2y= -2
y=2x+4

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

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

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?