The mean of four number is 14.if two numbers, x and x + 2 are added to the set of data, the new mean is 15.calculate the value of x

Describe what moves you could use to create the transformation of the original image shown at right

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

What is the least common factor of 6 and 8