For this case we have that by definition, the area of a rectangle is given by:
Where:
w: Is the width of the rectangle
l: is the length of the rectangle
According to the data of the statement we have:
So, the length is given by:
We factor the numerator:
We simplify:
So, the length is 
Answer:
A=15
I guessed and checked $15 - 20% and got 3
The answer is B
Explanation: when there is Two parentheses you multiply
Answer:
a. 64 x ($)8 = ($)512
b. 45 (members) / 9(weeks) = 5 (members per week)
Answer:
Null hypothesis; H0: μ = 3000
Alternative Hypothesis; Ha: μ ≠ 3000
Step-by-step explanation:
We are told that the FDA recommends that Americans get on average 3,000mg of salt in their daily diet.
Now we want to test this claim of whether Americans truly get an average of 3,000mg of salt in their daily diet.
Thus, the hypotheses is as follows;
Null hypothesis; H0: μ = 3000
Alternative Hypothesis; Ha: μ ≠ 3000
