one day 17250 people attended a football match work out 17250 as a percentage of 28750 can yall tell me the answer

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.)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab