Select the correct expressions. Identify each expression and value that represents the area under the curve y= x2 + 4 on the interval (-3, 2].

31.67 square units

lim Σ 2k 3+ n +4 2 square units

n-k=1 n39 lim n 54k 27k?

in? nº + square unit's

lim 65 150k 125k?

n2 nº nk=1 square units

26 lim Σ 되 24k 8k? n? + square units

nk 1 n 16.67 square units 21square units

5k 3+ +4 5 square units n-> K-1 n Re​

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Write the equation in logarithmic form m^x=n

(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.