The algebraic expression
(3x2 - 4x + 7) - 2(1 - 2x + x2)
in standard form will be a binomial
ax2 + c.

What is the value of x? enter your answer in the box. (cm)

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.