A bicycle has wheels whose diameters are 18 inches. How many revolutions does the wheel make when traveling 42 feet? Round your answer to a whole number.

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 center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.