Can you guys pls help me? kai has $500 in his saving accounts and withdraws $20 each week. Jennie has $200 in her account and deposits $15 each week. How many weeks will it take for jennie to have more money than kai.

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Which expression is equivalent to 5r6141 2r+st6

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