Compare adding fractions and multiplying fractions. What steps are different? What steps are the same? PLZ HELP!! BIG THANKS TO WHOEVER ANSWERS!
19 POINTS(i only have that much sorry:((

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

How do you find the circumfrance of a circle?

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