Brandon has a jar of quarters and dimes with a total value of $9.65. The number of quarters is 7 less than twice the number of dimes. How many quarters and how many dimes does Brandon have?

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.)

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m