Let n be an integer from 9 to 38.for how many values of n will be n/5 be prime

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11