Y=2x+3
x-3y=6

what would the answer be using substitution method?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

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.