What is the result of adding vector A (4i + 2j) to vector B (-2i - 5j)?
+
What is the square root of 36? How many real solutions does the equation x^2 = 25 have? Give your answer in the form of an inequality. Solve the equation x^2 - 9 = 0 using the square root property.
+
Find the area of a triangle with sides 5, 7, and 9.