Harriet has an 8.5-inch-by-11-inch sheet of paper. She brings the short edges together to create a cylinder and adds a top and bottom base. Round answers to the nearest tenth of a unit.
What is the diameter of harriet’s cylinder?
What is the total surface area of harriet’s cylinder?
What is the volume of harriet’s cylinder?

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

X+ y = 5 ; x - y =3 solve using linear combination

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