2: which equation does not belong with the other three? explain. you so much in advance.

y=x² +6

Step-by-step explanation:

This is the only 2nd-degree equation in the group: y = x² + 6. The others are linear equations.

y = x² + 6

the equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

y = 0.5x - 0.2, y = 4x + 3 and y = x +

are all in slope- intercept form and represent equations of straight lines

y = x² + 6 is not in this form and is not a straight line equation.

In fact it is the equation of a parabola

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6