Evaluate 9 m+7 n if m=-7 and n=4

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

What is the length of ac in the given triangle?