Answer:
456
Step-by-step explanation:
Number of chairs around the round tables = 6×7=42
Number of chairs around the rectangular tables =23×18=414
The total number of chairs in the cafeteria = 6×7+23×18=456
i think it would be 4/15 because science is 6/15 and fiction is 5/15
i don't need it but brainliest is appreciated
D
substitute t=-3 in the equation
3(-3) squared +5(-3)+6=18
