Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x? O 1+4211
O-11191
O 1+2 / 191
O 1+ 191

The equation y=mx+b is the slope-intercept form of the equation of a line. what is the equation solved for b? y-m=b y-mx=b y/mx=b y/m-x=b

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles