What is the range for this set of data? 21 42 48 59 63 67

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?