The average time it takes a loaf of bread to rise is 2.4 hours with a standard deviation of 0.6. what is the z-score of a loaf that takes 3.6 hours to rise?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.