Acommuter has $245 in his commuter savings account. this account changes by -$15 each week he buys a ticket. for how many weeks did the commuter buy tickets? how much must he add to his account if he wants to have 20 weeks worth of tickets in his account?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

100 points, hi, i’m not sure how to get the equation from the graph and table.