The theory that proposes that people are motivated to make attitudinal changes when they experience tension after becoming aware of inconsistencies between their attitudes or between their attitudes and their behaviors is theory.

Festinger's cognitive theory

Explanation:

Festinger's cognitive theory - Psychologist Leon Festinger first suggested a theory that focused on how individuals attempt to achieve inner consistency. He proposed that individuals need to make sure whether their values and attitudes are coherent. Confusing or contradictory opinions lead to disharmony that individuals try to prevent

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

no. dot product   =0 when vecs at right angles