Circles in geometry plz help

For what value of jn is mn parallel to kl

What is 96 divided by 7,488mark as brainliest

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is