Difference of two squares is of the form (a + b)(a - b) or vice-versa. Here, a = -5x and b = 3.
(-5x - 3)(-5x + 3)
Answer: 3
Answer:1
Step-by-step explanation:the gap is one
Answer:
The total number of people in the room is: 28 + 21 = 49 (people)
The percentage of women in the room will be: (28 . 100)/49 ≈ 57%
So the proportion of women in relation to the total number of people is:
57/100 = 28/49
*I could be wrong
Answer:

Step-by-step explanation:
Equation of straight line in slope intercept form is given as
-------- (1)
Here
and 
----------- (2)
Comparing (1) and (2)
m=-3 and b=-2
Equation (2) is equation of straight line with slope -3 and y-intercept -2 in slope intercept form