I NEED HELP PLEASE HELP ME

Find cot x if sin x cot x csc x = √2

Find the slope intercept form of (-3,6) and (3,-6)

Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89