HELP PLEASE Which of these is a rational number? A. Square Root of 16/6
B. Square Root of 36/6
C. Square Root of 6
D. Square Root 36/16

What is the perimeter of an equilateral triangle if each side is (x+3)?

Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case:

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?