A. Write an equation for the line in slope-intercept form.
Given the points (-1, 2) and (3,-4)

3x+2y+1=0

hopefully this helps

y = -(2/3)x + 0.5

Step-by-step explanation:

The form of a straight line in slope-intercept form is y=mx+b.  m is the slope an b is the y intercept.  

We can calculate m, the slope, from the two points given.  From that we can calculate b by using one of the two points in the equation.

Slope (m) is the change in y divided by the change in x.  For these two points we can find the x change (3 -(-1)) = 4 (the distance between -1 and 3).  The change in y is (-4-2) = -6.  The slope is therefore (-6/4), or  -3/2.

y = (-3/2)x + b

No enter either point for x and y and calculate b.

2 = -(3/2)*(-1) + b

2 = +(3/2) + b

b = 0.5

y = -(2/3)x + 0.5

final total: 63

step-by-step explanation:

60 times sales tax

60 times 0.05

3

60 + 3

63