Answer:
x²-4x-12
Step-by-step explanation:
multiply each term in the first parentheses by each term in the second parentheses
x*x+2x-6x-6*2
calculate the product
x²+2x-6x-12
collect like terms
x²-4x-12
Answer:
The height of the tree = 25 feet
Step-by-step explanation:
From the given diagram : EF = 5 feet, FA = 8 feet, CA = 40 feet
∠AFE = 90° and ∠ACB = 90°
To find : CB, the height of the tree.
Solution : In ΔAEF and ΔAB C
∠AFE = ∠ACB = 90°
∠A is common angle.
So, By AA postulate of similarity of triangle, ΔAEF ~ ΔABC
Now, sides of similar triangles are proportional to each other

Hence, The height of the tree = 25 feet
Answer: should be D
I think so
Answer:
The answer is A
Step-by-step explanation:
Hope this helps