Madeline was completing the square, and her work is shown below. identify the line where she made her mistake.
f(x) = 3x2 + 6x − 7
line 1: f(x) = 3(x2 + 2x) − 7
line 2: f(x) = 3(x2 + 2x + 1) − 7 − 1
line 3: f(x) = 3(x + 1)2 − 8

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.