For perimeter you just add the sides up, so 15+12+9 which = 36
Answer:
C. -0.7
Explanation:
Given the equation:

First, distribute the bracket on the left-hand side:

The number that makes the given expressions equivalent is -0.7.
The correct choice is C.
Yes it is 4 billion milimeters is 4 kilometers
1430 miles in 6.5 hours because you multiply 220 by 6.5 and equals 1430miles