Aphotocopy machine can print 405 copies in 9 minutes. what is the unit rate the machine can produce in 1 minute

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

Three consecutive integers have a sum of 234. what are the three integers

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.