Which expression can be used to find the sum of the polynomials? (9–3«) + (-8r2 +4x +5)
Awnswer choices. o [(3)-(-o)] *x|9.
o [ad. a²]•4x |9: c5)]
o 3.(-a)] +4x+ +[9+5]
o a)-(-a)]+4x+ (3+5])

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

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5