Answer:
3
Step-by-step explanation:

Hope this helps!
Answer:
D) 25x^2-1
Step-by-step explanation:
(5x+1)(5x-1)
25x^2+5x-5x-1
25x^2-1
Answer:
630+0 is 630. So 630 is equal to 630.
Answer:
it would be like 4 dollars and like 30 cents
Step-by-step explanation:
Answer: y + 1 = 2 (x -1)
Step-by-step explanation:
Point slope form is:
y - y1 = m (x - x1)
Point on the line is (1, -1) and slope is 2
m = 2
y1 = -1
x1 = 1
y - (-1) = 2 (x - 1) or y + 1 = 2 (x -1)