Answer:
v=-3/5
Step-by-step explanation:
9 = v + 4 v + 12
=>5v=9-12
=>v=-3/5
Answer:
3a -12
Step-by-step explanation:
3(– 2а - 4) + За → -6a - 12 + 3a → -3a -12
Same i am sorry need point
Answer:
It's f(x)=10x+8
Step-by-step explanation:
Because it says every hour not every half hour and the graph changes by 0.5 instead of 1 so m would equal 10
To answer this question you would need to know the formula for the area of a circle,

. You would start by squaring 400, getting 160,000. You would then multiply 160,000 by 3.14, getting 502,400 meters squared as your answer.