Answer:
a - a or (a +(-a))
Step-by-step explanation:
A negative plus a positive is always zero if they have the same variable.
Answer:
293 seconds
Step-by-step explanation:
60*4=240
240+53=293
Answer: 
<u>Step-by-step explanation:</u>
Since you are looking for the distance from home plate to second base, you are actually looking for the length of the diagonal of the square. Use the Pythagorean Theorem: a² + b² = c² where a and b are the side lengths and c is the length of the diagonal.

Answer:
-8,-10,-12,-14,-16
Step-by-step explanation:
Just take -8 and add -2 to find each term