Determine the angle between c= < 8, -3> and d= < 4, 10> . round your answer to 1 decimal place.

I’m really confused and need to learn this

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

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i