Which example best describes how a bank injects money into the economy?

A bank opens a savings account for a customer.
A bank approves a loan for a customer.
A bank buys a company’s rapidly growing stock.
A bank buys property in a bustling business district.

After making a deposit puja had $264 in her savings account she noticed that if she added $26 to the amount originally in the account and double the sum she would get the new amount

Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. he plans to mix together some of each solution to create 30 milliliters of a solution that is 40% acid by volume. how many milliliters of the 20% acid solution should raul use to create the 40% acid solution? can someone explain this to me? i know that the answer is 10 milliliters, but i don't know how to get it.

7. one of your coworkers frequently complains about problems she's having with a customer. you decide to: