question: Complete the next sentence:

How to use cramer's rule
Know the naming convention.
In a set of three equations, say 1 , 2 and 3, name the coefficients of the equation 1 as: a1, b1, c1. Name the constant term as d1.

answer: Similarly, name the coefficients of equations 2 and 3 as: a2, b2, c2 and a3, b3, c3 with their constant terms being d2 and d3 respectively. Arrange the coefficients in a 3x3 matrix named d.

question: Complete the next sentence:

How to treat heel pain with prolotherapy
Locate a doctor who administers prolotherapy.
Some medical doctors may suggest and use prolotherapy to treat your heel pain. In most cases, an osteopathic physician or surgeon will administer prolotherapy.

answer: You may decide to complement tradition medical care with prolotherapy or to use it as your main treatment. You can find a practitioner by asking your doctor, family, or friends for recommendations.

question: Complete the next sentence:

How to measure a screen spline
Remove the screen frame from the window.
Check for clips holding your window screen in and, if you spot any, lift the clips up to unfasten the screen from the window. In most cases, your window screen frame should pop out easily.

answer:
If your screen frame is secured by clips, they should be located along the left and right sides. After removing the frame, lay it down on a flat surface like a table.