Write a power function whose graph passes through the given points: (2,2) and (4,16). What is the value of a? use the form y=ax^b

Solve the system of equations. y= 2x y= x^2 - 15

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

The unpaid balance on a mastercard charge was $1,056.23. during the month, payments of $300 and $250 were made and charges of $425 and $274.16 were added. if the finance charge is 1.2% per month on the unpaid balance, find the new balance at the end of the month. $1,205.39 $1,218.06 $918.06 $1,768.06