Answer: 4
Step-by-step explanation:
20 ft because the shadow would be 3/2 of the height. 9 is 3/2 of 6 so the height would be 20 bc 30 is 3/2 of 20
2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2
Answer:
55?
Step-by-step explanation:
110 would be the last year for two and then divide by two
Answer:
72 ft^2
Step-by-step explanation:
area = length x width
1/2 x 8 = 3
3 x 24 = 72