18. John wants to have an interest income of $3,000 a year. How much must he invest for one year at 8%?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

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

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost