The ratio of boys to girls in the 9th grade is 5 to 6. There are 312 girls. Set up a proportion to model this information.
A. 5/312 = 6/b b. 5/b = 312/6 c. 5/6 = b/312 d. 5/6 = 312/b

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Which equation represents the function on the graph?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.