In the absence of air resistance, at what other angle will a thrown ball go the same distance as one thrown at an angle of 75 degrees? a. 15 degrees. b. 65 degrees. c. 70 degrees. d. 80 degrees. e. 90 degrees.

As we know that range of the projectile motion is given by

here we know that range will be same for two different angles

so here we can say the two angle must be complementary angles

so the two angles must be

so it is given that one of the projection angle is 75 degree

so other angle for same range must be 90 - 75 = 15 degree

so other projection angle must be 15 degree

i dont think you are wrong for wanting to get even with someone who did you wrong.

(i'm an eye for an eye kind of person) but if this person hurt you in a sexual way, i dont suggest doing anything to him. he should be taken to the proper authorities, you could go to jail depending on what you do. if it was something small like your sibling took your spot on the couch, than yea, i would get even with him by taking one of his favorite snacks lol. but i dont suggest you doing anything illegal.