Solve the system. 2x-4y=4 x+4y=14 a) (6,2) b) (6,4) c) (2,6) d) (4,6)

If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the same rate?

3382-299=3383- ? fill in the blank?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤