Is 2 +43 negative or postive ?

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

Measures of the angle of r, 31 s (x+4) t (3x+9)

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?