Ralph has 9 cards, each with a number on it. What is the probability that the number chosen is a odd number ?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

Given right triangle a w/a hypotenuse length of x+4 and a leg of x, and right triangle b, w/ a hypotense length of 3y and a leg length of y+4 for what values of x and y are the triangles congruent by hl?