Ialready solved this problem. i just need with the hint part.
the sum of two numbers is 25 and the sum of their squares is 313. find the number. (hint: let one of the numbers be x. express the other number in terms of x.)

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

In the geometric progression –3, 12, −48… what term is 3,072?