What is the quotient of 4.29 x 10^5 and 9.75 x 10^2 expressed in scientific notation?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?