Find the tenth term in the sequence 7, 9, 12, 16, 21 using recursive rule help me please

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Aof 12 , we to a of 4 to on a .of 4 be ?

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?