1. (2 points) You take out a loan for a car. The amount of the loan is $20,750 and has an interest rate of 3.9%. You take out the loan for 4 years. How much will you owe in interest on the loan?

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Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Which expression is rational? 6. , square root two, square root 14, square root 49

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.