PLEASE ANSWER ANYONE! IM GIVING MOST OF MY POINTS AWAY! if quinn put $450 in a savings account that earned 3.5 interest, how much money would quinn have after 2 years? ***(use the simple interest formula I = pet to solve this problem)***

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle