Adrian's sister took 15 marbles out of a bag and then gave the rest to her brother. the bag her brother received had 35 marbles in it. how many marbles were in the bag to begin with? solve this equation: n - 15 = 35

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

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

Find the root(s) of f (x) = (x- 6)2(x + 2)2.