Expression A:x+3 Expression B:1+x+2
Which statement can be used to show that these expressions are equivalent
A. Each expression includes the term x
B. Each expression involve addition
C. x+3 can be rewritten as 1+x+2 using the distributive property
D the expression name the same number regardless of the value of x

C.

Step-by-step explanation:

1 + x + 2 = x + 3, The simplified version of 1 + x + 2

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,