Ralph began work at 7 p. m .By 10 p. m ralph packed 18 boxes .At the same Ralph began work at 7 p. m .By 10 p. m ralph packed 18 boxes .At the same rate ,how many boxes will he pack by 12 midnight ,how many boxes will he pack by 12 midnight

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible