Answer:
π = 2A/ r²
Step-by-step explanation:

y=19x+9 would be the rule
Answer:
y=1x+1
Step-by-step explanation:
y=1x+1 gradient= 1 and y-intersept = 1
T=total cost m=number of movies t=1.99m+5.50. I hope this helped.
Answer:
Unit rate: $15 per hour
ordered pair: (1 ,15)
Step-by-step explanation:
30 ÷ 2 = 15
45 ÷ 3 = 15
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they both have 15, which means the graph is proportional and the unit rate is $15 per hour