If a=-1, b=2, c=0 find the value of 2a²+6-2b+4c

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

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

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?