Compute for z score and z area (area between the mean and positive z score) for each set. Data set 1:
x=80, mean=75, and Standard Deviation= 4.

Please help!! Thank you.

Are carpet coast $15 per square metre. the total delivery charge is $21 peter buys n squared metres of carpet what is the expression which represents the total cost in $

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?