The product of two numbers is 20. If one of the numbers is 4/7 what is the other number?

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

3x + 4y = 5 x- 3y = -7 solve by substitution