Identify each expression that is equivalent to (7x + 3y) (7x – 3y). Tr? – 3y2
(7x)2 + (-3y)
(7x)2 – (3y)
49x2 - 9y2

I know that the last one is right, but I can’t remember what happens when the negative sign is in the parenthesis, so my brain isn’t working and I need to know between option 2&3

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )