Which ordered pair makes the equation y = 4 x + 21 true?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

In the geometric progression –3, 12, −48… what term is 3,072?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c