1) b (think commutative and associative properties) , 2) a (think that minus a negative equals positive)
Volume prism= ½•a•c•h
=½•7•11•5
=½•385
=192.5cm³
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Y+2=3(x-4)
y+2=3x-12
-2 -2
y=3x-14
slope-intercept form: y+2=3(x-4)
Answer:
13.75
Step-by-step explanation:
First you know there are 5 students and 5 teachers, for each student it costs 6.25 and for every teacher it cost 1.50. So 5 teachers x 1.50= 7.5. 5 students x 1.25 =6.25. 7.5 +6.25= 13.75
