20+ POINTS WILL BE GIVEEN + FREE BRAINLIEST Select all the sets of lengths that could represent the sides of a right triangle.

6 cm, 7 cm, 8 cm

7 in., 17 in., 11 in.

9 m, 12 m, 14 m

11 ft, 60 ft, 61 ft

3 mm, 9 mm, −−√90 mm

The sum of two numbers is 86, and their difference is 20. find the two numbers

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.