The prime factorizations of the denominators of and are given: 10r2 = 2(5)(r)(r) 4r = 2(2)(r) what is the lcd of the expressions? 4r2 10r2 20r2 40r2

C: 20r^2

Step-by-step explanation:

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also the next question answers on edge are

2 of 8: Option D - 8

3 of 8: Option D - t^2+3t-4/(t+5)(t-1) and 9t+45/(t+5)(t-1)

4 of 8: Option B - 5y

5 of 8: Option D - 5y

6 of 8: Option D - 6z^2+22z-5/6z^2

7 of 8: Option C - 3

8 of 8: Sample Response: The closure property of multiplication for rational expressions states that the product of two rational expressions is a rational expression. Since the variable in a rational expression just represents a number, and the closure property holds true for multiplication of rational numbers, it also holds true for multiplication of rational expressions for values for which the expressions are defined

The closure property of subtraction for rational expressions states that the difference of two rational expressions is a rational expression. The variable in a rational expression represents a number. The closure property holds true for subtraction of rational numbers, so it also holds true for subtraction of rational expressions.

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

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