Please help! Why do you think humans should be sended to Mars

Which is a higher ratio, 6: 9 or 3: 7

After taking notes carefully and studying freqently, derek not only passed the test, select the word group below that best completes the sentence in parallel structure. and he got 100% but he scores well on classwork but he also scored the highest in the class and he was also scoring the best he ever had

Drag the correct answer into the box to complete the sentence. i wore a new pair of shoes for a long walk