I don't understand what you mean but this might be the answer
D.) x = - 9
C.) x = 0
Hope that helps, Good luck! (:
Answer:
kevin is 6 years old
Step-by-step explanation:
Let Kevin's age now be a
Daniel's age now be b
Kevin is 3 years older than Daniel. -> a-3 = b
Two years ago, Kevin was 4 times as old as Daniel -> a-2 = 4(b-2) = 4b -8
-> a-3 -(a-2) = b - (4b-8)
-> - 1 = -3 b +8
-> -9 = -3b
-> b = 3
-> a = 6
Charlie bought 4 tickets
3 + 1.50 +1.50+1.50+1.50 =9
Dy/dx=4x/y2 this is what i got
hope this helps