How do you write 45% in decimal and fraction in its lowest form?

Ineed to know the answer to this algebra question.

Do you mind if you guys me with this question i’m on number 8

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.