Ms. peterson wrote the expression below on the chalkboard for her class. she asked the students to write an equivalent expression using no more than one
set of parentheses. 4(3x+5y+2z)+ 3(x-z)• tom wrote 12x+20y+8z • jenna wrote 5 (3x+4y+z)• chris wrote 15x+20y-5zwhich, if any, of the three students wrote an expression that is equivalent to ms. peterson’s expression?

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?