Simplify.
6m +7n +5т — Зm

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Need this asap if anyone can i would be very grateful. if you could show workings that would really