Which expression is equivalent to 18x2 – 50?
(1) 2(3x + 5)2
(3) 2(3x - 5)(3x + 5)
(2) 2(3x – 5)2
(4) 2(3x – 25)(3x + 25)

Answer ASAP! PLEASEE! Show work as well!

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4