Answer:

Step-by-step explanation:

Subtract 57 from both sides:

Divide both sides by 4:

Answer:
Step-by-step explanation:
x≠ n*π, where n is an integer
because x/π can not be an integer
Answer:
45%
Step-by-step explanation:
Answer:
bar chart..
Step-by-step explanation:
Answer: (I think)
78 paintings
Step-by-step explanation:
6 x 13 = 78