Darko found the sum of 324 and 57 to be 894. What error did he make? Darko added 324 and 75 by mistake.
Darko did not align the digits by their place value when he set up the problem.
Darko did not regroup correctly after adding the ones digits.
Darko multiplied the numbers instead of adding them.

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

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

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old