1. through (0,-1) slope= -1 2. through (-5,4) slope= -2
I don't know how to solve them I need help ASAP!

What is the square root of 45? (step by step working plz)

What is the solution of log2  (3x  -  7)  =  3? 4 5

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 !