Ax+r=7 SOLVE FOR R!

Please answer this as soon as possible, due to this being a quiz of some sort!

In dunker's candle experiment, subjects weren't able to find a solution to the candle problem because they could not see past the conventional use of the box. which obstacle to problem solving did the subjects experience? (2 points) functional fixation counterproductive heuristic confirmation bias overconfidence

The valve seat performs two functions: it provides a seal for the valve in the combustion chamber, and it provides a cool surface to carry heat away from the valve. most valves use a seating angle.

The purpose of a preliminary hearing in juvenile court isa-to determine if there is a probable cause to proceed with trialb-to determine if the juvenile will be a detailed pending trialc- to appoint counsel for the juvenile defendant d-to impose sentencing