Write square root of -16 + square root of 49 as a complex number in the form of a +bi

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 i need !

Which equation is graphed here? a) y = -3x + 3 b) y = -3x - 3 c) y = -1 3 x +3 d) y = -1 3 x -3

Aaron paid $9.75 for markers that cost $0.75 each. he bought 4 times as many pencils for $0.35 each. how much did aaron pay for pencils?