–8a + 7b = –69 –3a – 3b = –9
answer options:
(5, –6)
(–6, 5)
(6, –3)
(–3, 6)

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

I’m confused on how to work the pie charts

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?