Write the standard form of the line that contains a slope of -3/2 and y intercept of 6

The graph of a curve that passes the vertical line test is a:

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

Use the coordinates of the labeled point to find a point-slope equation of the line (3 -5)