The seventh grade is putting on a talent show to raise money. It cost $700 to rent the banquet hall that they are going to use. If they charge $15 for each ticket, how mant tickets do they need to sell in order to raise atleast $1000?

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?