Write and then evaluate the expression. Then, check all that apply.
a number cubed minus five
evaluate when n = 3
The expression is written as 3n-5.
The expression is written as n3-5.
Evaluating by substituting 3 in for the variable.
Simplify by using order of operations.
The value of expression is 28.
The value of expression is 4.
The value of expression is 22.
Key Words
Replace With
a number
n
cubed
exponent of 3
minus
five
6
5

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?