Is the ordered pair (0,5) a solution of this system of linear equations X+y=5 and -5x+2y=10

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

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Answer asap evaluate 4-0.25g+0.5h4−0.25g+0.5h when g=10g=10 and h=5h=5.