Y = 3x - 2 what is the answer

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

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.