HELP with 3 and 4 please, Spanish Imperfecto

How should janet respond to her mother's criticism in the following scenario? janet got a c in science on her report card. her mother is not happy about this and wants janet to study harder and bring her grade up. janet was studying hard, but she didn't understand the concepts very well, and her science teacher is also the football coach and didn't have much extra time to her. janet should 1.agree to study harder and just keep trying to do her best 2.say nothing 3.argue that it wasn't her fault and say that the teacher was too busy to her 4.explain that she didn't understand the concepts and tell her mother about her teacher's time constraints

Natasha, belinda, and ava are working on an art project together. when natasha sees whatbelinda has contributed, she says there is no way they can include her work because it lookslike a third grader did it.the communication mistake natasha has made isa.)groupthinkb.)collaborating with strangers.c.)failing to create a group connection.d.)criticizing the person, not the process.

Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t