Given that y = 60x + 3x^2 - 4x^3, calculate:
(a) the gradient of the tangent to the curve of y at the
point where x = 1

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

What is the binomial expansion of (2x-3)^5

How to solve a simultaneous equation involved with fractions?