The first four terms of a sequence are: 1/6 4/7 9/8 16/9 which convert to 9/54,32/56,63/56, 112/56 Find the nth term of this sequence.
Expand the answer n^2 (n+5) please. as they ask for a fraction for nth term. Top nth term / bottom nth term

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?