Answer:
y=6x+21
Step-by-step explanation:
simply 3x2+6x+15
Y = 40 + 4m
m = minutes
y = total papers graded
The first one is the second one. t(n)=20n+480
Question 4: is the first one t(n)=8n+15
Answer: the answer is 3(7+3)
Step-by-step explanation: since 7+3 is in paranthases you add them first to get 10 and you multiply it by the 3 to get 30. We know its correct because 21+9=30.
Answer:5.43
Step-by-step explanation:
:) brainliest pls
