6. Natalie compared the circumference of her bicycle tire to the circumference of the tire on her mother's car. Her bicycle tire had a radius of 10 inches. The car tire had a radius of 18 inches.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

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