What is the answer to algebra with pizzazz by creative publications page 221?

Is 9 pi an irrational number? Which following pair is correctly matched? How can you tell by drawing a factor tree whether or not a number is a square number? What is the square root of 252 in radical form? What should you do if you want to double the area of a rectangle? How do you add multiple mixed fractions? What causes repeating decimals to happen? Is Donna an abstract or concrete noun? Has drift n burn 2 been hacked? Is gain a verb? How do you find sec x cos x? What is x squared minus x minus 20? 5 5 5 5 equals 30? What is the volume of a sphere with a radius of 5 cm? How do you make a triloloite on alzemy? How many numbers or letters can a license plate have? How many 2 in x 2 in square tiles will fit along the edge of a square mosaic that has an area of 196 square inches? This circle is centered at the point -2 5 and the length of its radius is 2 What is the equation of the circle? What is 8 divided by 74? Is forecast a verb?