Atextbook that janelle needs for her psychology class cost $199 plus 7% sales tax .which of the following questions correctly calculate the final cost c for the textbook after taxes

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

How does percent markup and percent discount relate to percent of change?

14. a family spends 1⁄10 of its annual income for housing, 1⁄4 for food and clothing, 1⁄5 for general expenses, and 2⁄15 for entertainment. what fractional part of their income is spent on these items altogether? a. 11⁄12 b. 41⁄60 c. 6⁄41 d. 1⁄7