Identify one way to rewrite the expression using the distributive property. 2(9 + 3) a. (2 × 9) − (2 × 3) b. (2 × 9) + (9 × 3) c. (2 × 9) + 3 d. (2 × 9) + (2 × 3)

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

Which one is the correct answer, and why?

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.