Which number sentences could be used to solve this problem? coach kim is giving her 12 team members prizes. she is giving 6 pairs of socks and 2 headbands to each team member. what is the total number of prizes coach kim is giving away? choose all answers that are correct. a. 12 × (6 + 2) = b. 12 × 6 × 2 = c. (12 × 6) + (12 × 2) = d. (12 + 6) + (12 + 2) =

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?