Two friends are saving money for a new basketball hoop. The first friend has $120 in savings and will save $30 each month. The second friend has $50 in savings and will save $75 each month. When will they save an equal amount? Which equation below models this situation correctly?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236