Determine if there is a error in the following work

B. the LCD should be 6rst

Step-by-step explanation:

In the second step, the person forgot to include the r's in both denominators when they made the two fractions share identical denominators.

On the left side, they multiplied the fraction by r but forgot to multiply the r into the denominator.

On the right side, they multiplied 2 into the fraction but they dropped the r that is found in the denominator of the original equation.

answer: what in the world is this

step-by-step explanation:

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.