Expressions with and without Parentheses
Assignment Active
Practice writing and evaluating algebraic expressions with
and without parentheses.
Astigt
Write the expression. Then, check all that apply.
twice the difference of a number and six
O Replace "a number" with the variable, n.
The two operations are multiplication and addition,
Key Words
Replace With
The two operations are multiplication and
subtraction.
twice
2x
The constants are 2 and 6.
The expression is written as 2(n-6).
the difference of
a number
(-)
n
The expression is written as 2 x 6-n.
six
) Intro
Done

Listed below are the measured radiation absorption rates? (in w/kg) corresponding to 11 cell phones. use the given data to construct a no plot and identify the 5- number summary

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.