Answer:
x<8
Step-by-step explanation:
2x+5>3x-3
2x+8>3x
8>x
Answer:
The height of the building is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
In the right triangle ABC

we have

substitute and solve for BC


Find the height of the building
The height of the building (h) is equal to

Answer:
10
Step-by-step explanation:I had this

is equal to 2x, since it is the derivative of

.
Answer:
2x+3+5x+6 = 7x+9
Step-by-step explanation:
2x + 3 + 5x + 6
= 2x + 5x + 3 + 6
= 7x + 9
Hope it helps