Answer:
The tree is 18ft tall
Explanation:
Shadow = Real
4ft = 6ft(man)
1ft = 1.5ft
Let tree = yft
12 = y
y = 12 × 1.5
= 18ft
(Correct me if i am wrong)
Answer:
-3x^2
Step-by-step explanation:
3x x -x =-3x^2
If Jeff has 5 grasshoppers, then he would have 15 crickets because x(grasshoppers)+10=y(crickets), and y(crickets)+5=z(ladybugs), which would leave Jeff with 20 ladybugs.