Can someone please help me with this question
look the attachment below

What is the area of the trapezoid shown ?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days