Part a: factor x2c2 − 4xc2 − 21c2. show your work. (4 points)
part b: factor x2 + 6x + 9. show your work. (3 points)
part c: factor x2 − 9. show your work. (3 points)

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

What is 1/3x5 on anuber line what does it look like on a number line