Find the least common multiple of x² + x – 12 and x² + 2x – 15. a) (x + 4)(x - 3)(x + 5) b) (x – 3)(x + 5)(x – 4) c) (x – 4)(x – 3)(x – 5) d) (x + 4)(x – 5)(x – 3),

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)