A triangular sail has a perimeter of 57 feet side a is 3 feet shorter than twice side b and side c is 4 feet longer than side B. Find the length of each side.

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

17 in long 1.3 ft wide and 8in high what is the volume

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.