It is a similar triangle so the side length of the smaller triangle (x and x-2) are in the same ratio as the bigger triangle (2x+5 and 2x-1). As the ratio is the same, you can equate them and solve for x.
Answer:
11.5 sec
Step-by-step explanation:5.5+6=11.5
Answer:
The product of
is 
Step-by-step explanation:
We need to find the product of 
Using the exponent rule: 
So,

Applying above rule:


So, the product of
is 
b=5, commutative property
c=3, associative property