How many possible solutions does this polynomial have? f(x) = x^6 + 2x^3 + 5x^2 - 7x +8 have? A. 4
B. 12
C. 2
D. 6

What is the volume of the sphere shown below with a radius of 3?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?