Complete the patterns 9430, 94.3, 9.43

Which of the following statement about pascal's triangle are true?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart