Given the parabola whose equation is y^2=-2/7x, find the focus and determine if the parabola opens left or right. a. p=(-1/14,0) opens left b. p=(-8/7,0) opens right c. p=(1/14,0) opens right d. p=(0, -1/14) opens left

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

What is the ratio of the length of an object in yards to the length of the same object in miles?

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.