He used his surveying equipment to set up a similar triangle with a width of 10 feet and a length of 5 feet. If the distance along the bank that corresponds to the length of the small triangle is 20 feet, how wide is the river?

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

Describe how you can act financially responsible.

Which number line correctly shows 0.8 + 0.3?