The city council voted on a new tax. 21 city council members voted in favor of the tax and 4 voted against the tax. What percentage of the city council members voted in favor of the tax?
Write your answer using a percent sign (%).

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

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

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?