Question 1 (easy): The volume of a pool is 7V liters. A tap pours out y/4 liters of water per minute. Which of the following is the correct expression showing the time in minutes needed to fill 1/5 of the …

Includes supplementary and complementary angles Proportion 30-60-90 and 45-45-90 Triangles Isosceles triangles Properties of Quadrilaterals

The slope of a line is the direction and the steepness of the line. Slope is usually the letter m; Slope is calculated by finding the ratio of the “vertical change” to the “horizontal change” between two points on a line. Sometimes the …

Tackling word problems is much easier if you have a systematic approach which we outline below. Here is the biggest tip for studying word problems. Practice regularly and systematically. Sounds simple and easy right? Yes it is, and yes it …

A Pythagorean triple consists of three positive integers a, b, and c, such that a2 + b2 = c2. Such a triple is commonly written (a, b, c), and a well-known example is (3, 4, 5). If (a, b, c) is a Pythagorean triple, then so is (ka, kb, kc) for any positive integer k. A primitive Pythagorean triple is one in which a, b and c are coprime (that is, they have …