PLZ HELP ME i begging YOU Claudio keeps track of how his bank account changes over three weeks. (You can take a picture your work and upload to this slide)

1. At the end of week 3, Claudio has $0 in his bank account. How much did he have at the start of week 1?

2. What is the average amount of money Claudio had in his account over the three weeks?

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.

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Plz hurry evaluate the expression a+b where a=8 and b=19