Answer:
-20
Step-by-step explanation:
-8-12=-20
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
9514 1404 393
Answer:
2
Step-by-step explanation:
Fill in the argument value and look up the function value on the graph.

Answer:
The formula for the vertex of the parabola is -b/a. Plugging this in we get -(-4)/1 or 4.