In ΔABC, what is the value of cos B? A.5/13 B. 12/13 C. 5/12 D. 13/12

How do i do this using elimination 2x+3y=12 x-y=6

What is the slope of the line shown below?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.