Approximate the area of the region bounded by the graph of ​f(t)=cos(t/2−π/2) and the​ t-axis on ​[0​,π​] with n=4 subintervals. Use the midpoint of each subinterval to determine the height of each rectangle​ (see figure).

Module 10 coordinate proof using slope and distance answers is quadrilateral abcd a parallelogram? explain how you know.

What is the prime factorization of 195

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