Will mark brainliest + 10 points
#14

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Percent increase and decrease. original number: 45 new number: 18

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! "?