Answer:
(2x - 9)(2x + 9)
Step-by-step explanation:
4x^2 - 81 = (2x - 9)(2x + 9)
Height of tree is given by the distance multiplied by the tangent of the angle of elevation:
Height = 30*tan(40) = 30(0.8391)=25.17 ft
Answer:
c
Step-by-step explanation:
Answer:
38
Step-by-step explanation:
The range is the difference between the highest value and the lowest value. Here the highest value is 55 and the lowest 17. Therefore, the range is take away 17 from 55 which equals to 38
Hello there!
|b| > 2
Solve for the absolute value
We know either b > 2 or b < -2
b > 2
b < -2
Thus,
The correct answer is option A
b < -2 or b > 2
