Read the following paragraph from the introduction [paragraphs 1-3]. The engineering design process has many steps. Engineers do not always follow them in order. You might design something, test it and find a problem. When this happens, go back to an earlier step. Make a change to your design. This way of working is called iteration. This means repeating steps to get closer to your final solution.

What is the MAIN idea of this paragraph

Langston hughes's poem "madam and the rent man" reflects its historical setting because madam's apartment is in a serious state of disrepair and the landlord will not fix it. madam is at the mercy of a rent man who does not care and takes advantage of her. madam's words show her frustration about being treated unfairly and her determination to fight for what is right. madam does not feel that she has the power to stand up for herself when confronted by the rent man.

Money oweda. auditb. assetsc. capitald. liabilities

Ishmael wants to go on vacation with his friend's family. what's the best way he can persuade his parents to say yes? a he can tell them that he will be sad and stay in bed if he can't go. b he can explain that the vacation will be educational and safe. c he can say that he'll hate his parents if they don't let him go. d he can ask them for the money that he needs for the trip.