Wich one of these tables are linear and why? Please help

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i