D/dx 0∫x √1+a^3 da i need help badly

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

Which of the following covers all qualified higher education expenses

Mr.jones wants to buy 6 tickets to play .each ticket cost $10. mr jones has $45 in his pocket how much more money does he need for 6 tikets