Based on the histogram above, what is the class width? Class width =
What is the sample size?
Sample size =
Worth 10 points

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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