Ijust need with #16 . photomath said the answer was pi but i don’t understand the explanation they gave. i got 0 when i changed it into sin/cos but i get the feeling that 0 is not the correct answer.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers