(Q means Question. Q1, Q2, and Q3 are the questions I need help on. If anyone has the answer to all three of those questions, thanks)

ACT mathmatics score for a particular year are normally distributed with a mean of 27 and a standard deviation of 2 points.

Q1. What is the probability that a randomly selected score is greater than 29 points

Q2. What percentage of student scores are between 31 and 23?

Q3.A student who scores a 31 is in the percentile

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

What is the slope of the line (-7,2) (4,6)

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.