Gina's doctor told her the standardized score (z-score) for her systolic blood pressure, as compared to the blood pressure of other women her age, is 1.50. which of the following is the best interpretation of this standardized score?

a. gina's systolic blood pressure is 150.
b. gina's systolic blood pressure is 1.50 standard deviations above the average systolic blood pressure of women her age.
c. gina's systolic blood pressure is 1.50 above the average systolic blood pressure of women her age.
d. gina's systolic blood pressure is 1.50 times the average systolic blood pressure for women her age.
e. only 1.5% of women gina's age have a higher systolic blood pressure than she does.

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.