Which of the following is an example of the associative property of addition? a.) 4 + ( 3 + 1 ) = ( 4 + 3 ) + 1 b.) 4 ( 3 +1 ) = 3 ( 4 +1 ) c.) 3( 4 + x ) = 12 + 3 x

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements