Answer asap! Need help before I go to sleep.

1. are the triangles similar and if so why? what is the value of x? show your work.

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.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.