On June 1 Charity deposited $540 into a savings account that earns an annual interest rate of 3.4%. At the end of December, the bank calculated her interest earnings and added it to her account. How much simple interest did Charity earn from June through December?

Np4=12np2 with clear explanation.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?