Amy and stephanie were playing a number game. amy picked a number and told stephanie that if she added 7 to the number and multiplied the sum by 4, it would equal 8. which equation could stephanie use to find the number, x?

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

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

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?