Please help need to get to 80%

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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.