Please help me this is 7th grade ratios

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.