Which expression is equivalent to 63.56 + (–81.47)? 63.56 – 81.47 63.56 + 81.47 –63.56 – 81.47 –63.56 + 81.47

63.56 - 81.47

Step-by-step explanation:

Given expression,

63.56 + (-81.47) = 63.56 – 81.47 = -17.91,

In first option,

63.56 - 81.47

=  -17.91

In second option,

63.56 + 81.47

= 145.03,

In third option,

-63.56 - 81.47

= -145.03,

In fourth option,

-63.56 + 81.47

= 17.91,

Hence, only 63.56 – 81.47 is equivalent to the given expression.

i dont know but hope u do

step-by-step explanation:

0.5 meters per second

step-by-step explanation:

the average speed between 2 seconds and 8 seconds is 0.5 meters per second.

hope this ! mark brainliest!