Find the derivative of the function f(x) = (x4 + 9x2 − 5)4

Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?