Katie paid $23,079.90 for a mustang. if the price paid includes a 7% sales tax, which of the following equations can be used to determine the price of the mustang before tax? (let x represent the cost of the mustang and y represent the total cost after tax.)

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?