In a class of students, the following data table summarizes how many students passed a test and complete the homework due the day of the test. What is the probability that
a student chosen randomly from the class passed the test?
Passed the test Failed the test
Completed the homework
16
3
Did not complete the homework
4
6

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.