Answer:
x = - 18
Step-by-step explanation:
Given
- 7 +
= - 13 ( add 7 to both sides )
= - 6 ( multiply both sides by 3 to clear the fraction )
x = - 18
Answer:
13
Step-by-step explanation:
I am amusing you are looking for the hypotenuse since this is middle school.
If you have the legs and are looking for the hypotenuse you use the Pythagorean Theorem 
The legs are a and b, and the hypotenuse is c
The work would look like this

extra notes
- I rounded to 13
- If you didn;t know you cancles exponents with roots
so the
is cancled by aka
Hope this helped :)
Answer:
Because there are 4 ways to pick red then 4 (C)
Answer:
6(9)(5)=270 in3
Step-by-step explanation:
length x width x height