(x + 22) (x) What is the value of x?

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

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

What is the sum of the first 8 terms of the geometric series