-4n = 16; What is the value of n?
n2 = 81; What is the value of n?
(3 + 7)2 x (5 - 3)2 =

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

Hundred and tens tables to make 430 in five different ways

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great