Please explain why Ralph's problem solving steps are correct. What inverse operations did he use and why?
Ralph
w?-7=56
+7
+7

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.