In one particular neighborhood, 60% of families own a dog. If there are a total of 25 families in this neighborhood, then how many dog owners are there?

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no