Find the smallest possible set (i. e., the set with the least number of elements) that contains the given sets as subsets. {jill, john, jack}, {susan, sharon}

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

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq